Finding the Fourth Proportional to 7,257.83, 10,019.91 and 5,553.13

Step by Step Solution

1. Step 1: Write the proportion equation
   7,257.83 : 10,019.91 = 5,553.13 : x
2. Step 2: Convert to fraction form
   7,257.83/10,019.91 = 5,553.13/x
3. Step 3: Cross multiply
   7,257.83x = 10,019.91 × 5,553.13
4. Step 4: Simplify right side
   7,257.83x = 55,641,862.82
5. Step 5: Solve for x
   x = 55,641,862.82/7,257.83
6. Step 6: Final answer
   x = 7,666.46