Finding the Fourth Proportional to 52,753.79, 72,801.50 and 28,880.39

Step by Step Solution

1. Step 1: Write the proportion equation
   52,753.79 : 72,801.50 = 28,880.39 : x
2. Step 2: Convert to fraction form
   52,753.79/72,801.50 = 28,880.39/x
3. Step 3: Cross multiply
   52,753.79x = 72,801.50 × 28,880.39
4. Step 4: Simplify right side
   52,753.79x = 2,102,535,204.18
5. Step 5: Solve for x
   x = 2,102,535,204.18/52,753.79
6. Step 6: Final answer
   x = 39,855.63