Finding the Fourth Proportional to 52,128.40, 71,910.69 and 32,975.92

Step by Step Solution

1. Step 1: Write the proportion equation
   52,128.40 : 71,910.69 = 32,975.92 : x
2. Step 2: Convert to fraction form
   52,128.40/71,910.69 = 32,975.92/x
3. Step 3: Cross multiply
   52,128.40x = 71,910.69 × 32,975.92
4. Step 4: Simplify right side
   52,128.40x = 2,371,321,160.58
5. Step 5: Solve for x
   x = 2,371,321,160.58/52,128.40
6. Step 6: Final answer
   x = 45,490.00