Finding the Fourth Proportional to 52,002.42, 71,763.39 and 28,129.02

Step by Step Solution

1. Step 1: Write the proportion equation
   52,002.42 : 71,763.39 = 28,129.02 : x
2. Step 2: Convert to fraction form
   52,002.42/71,763.39 = 28,129.02/x
3. Step 3: Cross multiply
   52,002.42x = 71,763.39 × 28,129.02
4. Step 4: Simplify right side
   52,002.42x = 2,018,633,832.58
5. Step 5: Solve for x
   x = 2,018,633,832.58/52,002.42
6. Step 6: Final answer
   x = 38,818.07