Finding the Fourth Proportional to 10,622.52, 15,920.82 and 3,688.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,622.52 : 15,920.82 = 3,688.92 : x
2. Step 2: Convert to fraction form
   10,622.52/15,920.82 = 3,688.92/x
3. Step 3: Cross multiply
   10,622.52x = 15,920.82 × 3,688.92
4. Step 4: Simplify right side
   10,622.52x = 58,730,631.31
5. Step 5: Solve for x
   x = 58,730,631.31/10,622.52
6. Step 6: Final answer
   x = 5,528.88