Finding the Fourth Proportional to 52,131.56, 71,941.28 and 28,258.16

Step by Step Solution

1. Step 1: Write the proportion equation
   52,131.56 : 71,941.28 = 28,258.16 : x
2. Step 2: Convert to fraction form
   52,131.56/71,941.28 = 28,258.16/x
3. Step 3: Cross multiply
   52,131.56x = 71,941.28 × 28,258.16
4. Step 4: Simplify right side
   52,131.56x = 2,032,928,200.84
5. Step 5: Solve for x
   x = 2,032,928,200.84/52,131.56
6. Step 6: Final answer
   x = 38,996.11