Finding the Fourth Proportional to 52,124.32, 71,931.54 and 28,251

Step by Step Solution

1. Step 1: Write the proportion equation
   52,124.32 : 71,931.54 = 28,251 : x
2. Step 2: Convert to fraction form
   52,124.32/71,931.54 = 28,251/x
3. Step 3: Cross multiply
   52,124.32x = 71,931.54 × 28,251
4. Step 4: Simplify right side
   52,124.32x = 2,032,137,936.54
5. Step 5: Solve for x
   x = 2,032,137,936.54/52,124.32
6. Step 6: Final answer
   x = 38,986.37