Finding the Fourth Proportional to 66,468.83, 91,724.72 and 39,597.41

Step by Step Solution

1. Step 1: Write the proportion equation
   66,468.83 : 91,724.72 = 39,597.41 : x
2. Step 2: Convert to fraction form
   66,468.83/91,724.72 = 39,597.41/x
3. Step 3: Cross multiply
   66,468.83x = 91,724.72 × 39,597.41
4. Step 4: Simplify right side
   66,468.83x = 3,632,060,688.36
5. Step 5: Solve for x
   x = 3,632,060,688.36/66,468.83
6. Step 6: Final answer
   x = 54,643.07