Finding the Fourth Proportional to 108,403.86, 149,597.52 and 60,009.15

Step by Step Solution

1. Step 1: Write the proportion equation
   108,403.86 : 149,597.52 = 60,009.15 : x
2. Step 2: Convert to fraction form
   108,403.86/149,597.52 = 60,009.15/x
3. Step 3: Cross multiply
   108,403.86x = 149,597.52 × 60,009.15
4. Step 4: Simplify right side
   108,403.86x = 8,977,220,606.43
5. Step 5: Solve for x
   x = 8,977,220,606.43/108,403.86
6. Step 6: Final answer
   x = 82,812.74