Finding the Fourth Proportional to 52,131.51, 71,941.56 and 28,258.17

Step by Step Solution

1. Step 1: Write the proportion equation
   52,131.51 : 71,941.56 = 28,258.17 : x
2. Step 2: Convert to fraction form
   52,131.51/71,941.56 = 28,258.17/x
3. Step 3: Cross multiply
   52,131.51x = 71,941.56 × 28,258.17
4. Step 4: Simplify right side
   52,131.51x = 2,032,936,832.55
5. Step 5: Solve for x
   x = 2,032,936,832.55/52,131.51
6. Step 6: Final answer
   x = 38,996.32