Finding the Fourth Proportional to 81,598.57, 122,432.68 and 46,086.55

Step by Step Solution

1. Step 1: Write the proportion equation
   81,598.57 : 122,432.68 = 46,086.55 : x
2. Step 2: Convert to fraction form
   81,598.57/122,432.68 = 46,086.55/x
3. Step 3: Cross multiply
   81,598.57x = 122,432.68 × 46,086.55
4. Step 4: Simplify right side
   81,598.57x = 5,642,499,828.45
5. Step 5: Solve for x
   x = 5,642,499,828.45/81,598.57
6. Step 6: Final answer
   x = 69,149.49