Finding the Fourth Proportional to 107,139.33, 147,842.34 and 59,388.62

Step by Step Solution

1. Step 1: Write the proportion equation
   107,139.33 : 147,842.34 = 59,388.62 : x
2. Step 2: Convert to fraction form
   107,139.33/147,842.34 = 59,388.62/x
3. Step 3: Cross multiply
   107,139.33x = 147,842.34 × 59,388.62
4. Step 4: Simplify right side
   107,139.33x = 8,780,151,810.96
5. Step 5: Solve for x
   x = 8,780,151,810.96/107,139.33
6. Step 6: Final answer
   x = 81,950.78