Finding the Fourth Proportional to 148,776.32, 205,314.72 and 88,397.12

Step by Step Solution

1. Step 1: Write the proportion equation
   148,776.32 : 205,314.72 = 88,397.12 : x
2. Step 2: Convert to fraction form
   148,776.32/205,314.72 = 88,397.12/x
3. Step 3: Cross multiply
   148,776.32x = 205,314.72 × 88,397.12
4. Step 4: Simplify right side
   148,776.32x = 18,149,229,941.61
5. Step 5: Solve for x
   x = 18,149,229,941.61/148,776.32
6. Step 6: Final answer
   x = 121,990.04