Finding the Fourth Proportional to 89,042.39, 122,878.48 and 48,756.15

Step by Step Solution

1. Step 1: Write the proportion equation
   89,042.39 : 122,878.48 = 48,756.15 : x
2. Step 2: Convert to fraction form
   89,042.39/122,878.48 = 48,756.15/x
3. Step 3: Cross multiply
   89,042.39x = 122,878.48 × 48,756.15
4. Step 4: Simplify right side
   89,042.39x = 5,991,081,602.65
5. Step 5: Solve for x
   x = 5,991,081,602.65/89,042.39
6. Step 6: Final answer
   x = 67,283.48