Finding the Fourth Proportional to 52,361.52, 72,256.77 and 28,488.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,361.52 : 72,256.77 = 28,488.18 : x
2. Step 2: Convert to fraction form
   52,361.52/72,256.77 = 28,488.18/x
3. Step 3: Cross multiply
   52,361.52x = 72,256.77 × 28,488.18
4. Step 4: Simplify right side
   52,361.52x = 2,058,463,869.98
5. Step 5: Solve for x
   x = 2,058,463,869.98/52,361.52
6. Step 6: Final answer
   x = 39,312.53