Finding the Fourth Proportional to 52,800.88, 72,865 and 28,927.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,800.88 : 72,865 = 28,927.52 : x
2. Step 2: Convert to fraction form
   52,800.88/72,865 = 28,927.52/x
3. Step 3: Cross multiply
   52,800.88x = 72,865 × 28,927.52
4. Step 4: Simplify right side
   52,800.88x = 2,107,803,744.80
5. Step 5: Solve for x
   x = 2,107,803,744.80/52,800.88
6. Step 6: Final answer
   x = 39,919.86