Finding the Fourth Proportional to 10,555.06, 15,834.99 and 5,622.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,555.06 : 15,834.99 = 5,622.10 : x
2. Step 2: Convert to fraction form
   10,555.06/15,834.99 = 5,622.10/x
3. Step 3: Cross multiply
   10,555.06x = 15,834.99 × 5,622.10
4. Step 4: Simplify right side
   10,555.06x = 89,025,897.28
5. Step 5: Solve for x
   x = 89,025,897.28/10,555.06
6. Step 6: Final answer
   x = 8,434.43