Finding the Fourth Proportional to 10,038.02, 13,851.15 and 5,561.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,038.02 : 13,851.15 = 5,561.55 : x
2. Step 2: Convert to fraction form
   10,038.02/13,851.15 = 5,561.55/x
3. Step 3: Cross multiply
   10,038.02x = 13,851.15 × 5,561.55
4. Step 4: Simplify right side
   10,038.02x = 77,033,863.28
5. Step 5: Solve for x
   x = 77,033,863.28/10,038.02
6. Step 6: Final answer
   x = 7,674.21