Finding the Fourth Proportional to 52,387.45, 72,296.31 and 28,515.73

Step by Step Solution

1. Step 1: Write the proportion equation
   52,387.45 : 72,296.31 = 28,515.73 : x
2. Step 2: Convert to fraction form
   52,387.45/72,296.31 = 28,515.73/x
3. Step 3: Cross multiply
   52,387.45x = 72,296.31 × 28,515.73
4. Step 4: Simplify right side
   52,387.45x = 2,061,582,055.96
5. Step 5: Solve for x
   x = 2,061,582,055.96/52,387.45
6. Step 6: Final answer
   x = 39,352.59