Finding the Fourth Proportional to 88,018.83, 121,462.61 and 47,731.86

Step by Step Solution

1. Step 1: Write the proportion equation
   88,018.83 : 121,462.61 = 47,731.86 : x
2. Step 2: Convert to fraction form
   88,018.83/121,462.61 = 47,731.86/x
3. Step 3: Cross multiply
   88,018.83x = 121,462.61 × 47,731.86
4. Step 4: Simplify right side
   88,018.83x = 5,797,636,057.10
5. Step 5: Solve for x
   x = 5,797,636,057.10/88,018.83
6. Step 6: Final answer
   x = 65,868.13