Finding the Fourth Proportional to 108,375.86, 149,560.98 and 65,355.32

Step by Step Solution

1. Step 1: Write the proportion equation
   108,375.86 : 149,560.98 = 65,355.32 : x
2. Step 2: Convert to fraction form
   108,375.86/149,560.98 = 65,355.32/x
3. Step 3: Cross multiply
   108,375.86x = 149,560.98 × 65,355.32
4. Step 4: Simplify right side
   108,375.86x = 9,774,605,707.41
5. Step 5: Solve for x
   x = 9,774,605,707.41/108,375.86
6. Step 6: Final answer
   x = 90,191.72