Finding the Fourth Proportional to 52,284.72, 72,153 and 28,411.70

Step by Step Solution

1. Step 1: Write the proportion equation
   52,284.72 : 72,153 = 28,411.70 : x
2. Step 2: Convert to fraction form
   52,284.72/72,153 = 28,411.70/x
3. Step 3: Cross multiply
   52,284.72x = 72,153 × 28,411.70
4. Step 4: Simplify right side
   52,284.72x = 2,049,989,390.10
5. Step 5: Solve for x
   x = 2,049,989,390.10/52,284.72
6. Step 6: Final answer
   x = 39,208.19