Finding the Fourth Proportional to 118,042.61, 162,898.79 and 64,327.61

Step by Step Solution

1. Step 1: Write the proportion equation
   118,042.61 : 162,898.79 = 64,327.61 : x
2. Step 2: Convert to fraction form
   118,042.61/162,898.79 = 64,327.61/x
3. Step 3: Cross multiply
   118,042.61x = 162,898.79 × 64,327.61
4. Step 4: Simplify right side
   118,042.61x = 10,478,888,696.46
5. Step 5: Solve for x
   x = 10,478,888,696.46/118,042.61
6. Step 6: Final answer
   x = 88,772.09