Finding the Fourth Proportional to 71,570.89, 107,339.93 and 32,139.28

Step by Step Solution

1. Step 1: Write the proportion equation
   71,570.89 : 107,339.93 = 32,139.28 : x
2. Step 2: Convert to fraction form
   71,570.89/107,339.93 = 32,139.28/x
3. Step 3: Cross multiply
   71,570.89x = 107,339.93 × 32,139.28
4. Step 4: Simplify right side
   71,570.89x = 3,449,828,340.23
5. Step 5: Solve for x
   x = 3,449,828,340.23/71,570.89
6. Step 6: Final answer
   x = 48,201.56