Finding the Fourth Proportional to 88,405.34, 122,002.01 and 54,433.42

Step by Step Solution

1. Step 1: Write the proportion equation
   88,405.34 : 122,002.01 = 54,433.42 : x
2. Step 2: Convert to fraction form
   88,405.34/122,002.01 = 54,433.42/x
3. Step 3: Cross multiply
   88,405.34x = 122,002.01 × 54,433.42
4. Step 4: Simplify right side
   88,405.34x = 6,640,986,651.17
5. Step 5: Solve for x
   x = 6,640,986,651.17/88,405.34
6. Step 6: Final answer
   x = 75,119.75