Finding the Fourth Proportional to 89,089,528,042.61, 122,945,878,785.61 and 48,446,816,545.95

Step by Step Solution

1. Step 1: Write the proportion equation
   89,089,528,042.61 : 122,945,878,785.61 = 48,446,816,545.95 : x
2. Step 2: Convert to fraction form
   89,089,528,042.61/122,945,878,785.61 = 48,446,816,545.95/x
3. Step 3: Cross multiply
   89,089,528,042.61x = 122,945,878,785.61 × 48,446,816,545.95
4. Step 4: Simplify right side
   89,089,528,042.61x = 5,956,336,434,607,053,340,672
5. Step 5: Solve for x
   x = 5,956,336,434,607,053,340,672/89,089,528,042.61
6. Step 6: Final answer
   x = 66,857,873,932.82