Finding the Fourth Proportional to 99,507.46, 137,308.71 and 59,234.26

Step by Step Solution

1. Step 1: Write the proportion equation
   99,507.46 : 137,308.71 = 59,234.26 : x
2. Step 2: Convert to fraction form
   99,507.46/137,308.71 = 59,234.26/x
3. Step 3: Cross multiply
   99,507.46x = 137,308.71 × 59,234.26
4. Step 4: Simplify right side
   99,507.46x = 8,133,379,828.40
5. Step 5: Solve for x
   x = 8,133,379,828.40/99,507.46
6. Step 6: Final answer
   x = 81,736.38