Finding the Fourth Proportional to 52,375.42, 72,278.30 and 28,502.06

Step by Step Solution

1. Step 1: Write the proportion equation
   52,375.42 : 72,278.30 = 28,502.06 : x
2. Step 2: Convert to fraction form
   52,375.42/72,278.30 = 28,502.06/x
3. Step 3: Cross multiply
   52,375.42x = 72,278.30 × 28,502.06
4. Step 4: Simplify right side
   52,375.42x = 2,060,080,443.30
5. Step 5: Solve for x
   x = 2,060,080,443.30/52,375.42
6. Step 6: Final answer
   x = 39,332.96