Finding the Fourth Proportional to 52,603.84, 72,592.17 and 28,730.61

Step by Step Solution

1. Step 1: Write the proportion equation
   52,603.84 : 72,592.17 = 28,730.61 : x
2. Step 2: Convert to fraction form
   52,603.84/72,592.17 = 28,730.61/x
3. Step 3: Cross multiply
   52,603.84x = 72,592.17 × 28,730.61
4. Step 4: Simplify right side
   52,603.84x = 2,085,617,325.32
5. Step 5: Solve for x
   x = 2,085,617,325.32/52,603.84
6. Step 6: Final answer
   x = 39,647.63