Finding the Fourth Proportional to 72,025.34, 99,385.18 and 41,805.86

Step by Step Solution

1. Step 1: Write the proportion equation
   72,025.34 : 99,385.18 = 41,805.86 : x
2. Step 2: Convert to fraction form
   72,025.34/99,385.18 = 41,805.86/x
3. Step 3: Cross multiply
   72,025.34x = 99,385.18 × 41,805.86
4. Step 4: Simplify right side
   72,025.34x = 4,154,882,319.71
5. Step 5: Solve for x
   x = 4,154,882,319.71/72,025.34
6. Step 6: Final answer
   x = 57,686.40