Finding the Fourth Proportional to 382,002.27, 572,647.23 and 129,105.92

Step by Step Solution

1. Step 1: Write the proportion equation
   382,002.27 : 572,647.23 = 129,105.92 : x
2. Step 2: Convert to fraction form
   382,002.27/572,647.23 = 129,105.92/x
3. Step 3: Cross multiply
   382,002.27x = 572,647.23 × 129,105.92
4. Step 4: Simplify right side
   382,002.27x = 73,932,144,601.37
5. Step 5: Solve for x
   x = 73,932,144,601.37/382,002.27
6. Step 6: Final answer
   x = 193,538.50