Finding the Fourth Proportional to 265,555.46, 398,372.48 and 88,023.31

Step by Step Solution

1. Step 1: Write the proportion equation
   265,555.46 : 398,372.48 = 88,023.31 : x
2. Step 2: Convert to fraction form
   265,555.46/398,372.48 = 88,023.31/x
3. Step 3: Cross multiply
   265,555.46x = 398,372.48 × 88,023.31
4. Step 4: Simplify right side
   265,555.46x = 35,066,061,870.53
5. Step 5: Solve for x
   x = 35,066,061,870.53/265,555.46
6. Step 6: Final answer
   x = 132,047.98