Finding the Fourth Proportional to 65,115.59, 89,829.15 and 42,152.84

Step by Step Solution

1. Step 1: Write the proportion equation
   65,115.59 : 89,829.15 = 42,152.84 : x
2. Step 2: Convert to fraction form
   65,115.59/89,829.15 = 42,152.84/x
3. Step 3: Cross multiply
   65,115.59x = 89,829.15 × 42,152.84
4. Step 4: Simplify right side
   65,115.59x = 3,786,553,787.29
5. Step 5: Solve for x
   x = 3,786,553,787.29/65,115.59
6. Step 6: Final answer
   x = 58,151.26