Finding the Fourth Proportional to 10,037.80, 13,851.98 and 5,561.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,037.80 : 13,851.98 = 5,561.53 : x
2. Step 2: Convert to fraction form
   10,037.80/13,851.98 = 5,561.53/x
3. Step 3: Cross multiply
   10,037.80x = 13,851.98 × 5,561.53
4. Step 4: Simplify right side
   10,037.80x = 77,038,174.52
5. Step 5: Solve for x
   x = 77,038,174.52/10,037.80
6. Step 6: Final answer
   x = 7,674.81