Finding the Fourth Proportional to 87,978.27, 131,985.86 and 38,065.46

Step by Step Solution

1. Step 1: Write the proportion equation
   87,978.27 : 131,985.86 = 38,065.46 : x
2. Step 2: Convert to fraction form
   87,978.27/131,985.86 = 38,065.46/x
3. Step 3: Cross multiply
   87,978.27x = 131,985.86 × 38,065.46
4. Step 4: Simplify right side
   87,978.27x = 5,024,101,624.14
5. Step 5: Solve for x
   x = 5,024,101,624.14/87,978.27
6. Step 6: Final answer
   x = 57,106.17