Finding the Fourth Proportional to 52,862.42, 72,950.88 and 28,987.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,862.42 : 72,950.88 = 28,987.52 : x
2. Step 2: Convert to fraction form
   52,862.42/72,950.88 = 28,987.52/x
3. Step 3: Cross multiply
   52,862.42x = 72,950.88 × 28,987.52
4. Step 4: Simplify right side
   52,862.42x = 2,114,665,084.26
5. Step 5: Solve for x
   x = 2,114,665,084.26/52,862.42
6. Step 6: Final answer
   x = 40,003.18