Finding the Fourth Proportional to 52,391.00, 72,299.52 and 28,517.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,391.00 : 72,299.52 = 28,517.81 : x
2. Step 2: Convert to fraction form
   52,391.00/72,299.52 = 28,517.81/x
3. Step 3: Cross multiply
   52,391.00x = 72,299.52 × 28,517.81
4. Step 4: Simplify right side
   52,391.00x = 2,061,823,612.95
5. Step 5: Solve for x
   x = 2,061,823,612.95/52,391.00
6. Step 6: Final answer
   x = 39,354.54