Finding the Fourth Proportional to 52,128.90, 71,933.52 and 29,466.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,128.90 : 71,933.52 = 29,466.72 : x
2. Step 2: Convert to fraction form
   52,128.90/71,933.52 = 29,466.72/x
3. Step 3: Cross multiply
   52,128.90x = 71,933.52 × 29,466.72
4. Step 4: Simplify right side
   52,128.90x = 2,119,644,892.45
5. Step 5: Solve for x
   x = 2,119,644,892.45/52,128.90
6. Step 6: Final answer
   x = 40,661.61