Finding the Fourth Proportional to 10,223.01, 15,340.32 and 5,543.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,223.01 : 15,340.32 = 5,543.10 : x
2. Step 2: Convert to fraction form
   10,223.01/15,340.32 = 5,543.10/x
3. Step 3: Cross multiply
   10,223.01x = 15,340.32 × 5,543.10
4. Step 4: Simplify right side
   10,223.01x = 85,032,927.79
5. Step 5: Solve for x
   x = 85,032,927.79/10,223.01
6. Step 6: Final answer
   x = 8,317.80