Finding the Fourth Proportional to 71,388.83, 107,131.68 and 38,132.75

Step by Step Solution

1. Step 1: Write the proportion equation
   71,388.83 : 107,131.68 = 38,132.75 : x
2. Step 2: Convert to fraction form
   71,388.83/107,131.68 = 38,132.75/x
3. Step 3: Cross multiply
   71,388.83x = 107,131.68 × 38,132.75
4. Step 4: Simplify right side
   71,388.83x = 4,085,225,034.86
5. Step 5: Solve for x
   x = 4,085,225,034.86/71,388.83
6. Step 6: Final answer
   x = 57,224.99