Finding the Fourth Proportional to 10,030.11, 13,840.41 and 5,553.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,030.11 : 13,840.41 = 5,553.50 : x
2. Step 2: Convert to fraction form
   10,030.11/13,840.41 = 5,553.50/x
3. Step 3: Cross multiply
   10,030.11x = 13,840.41 × 5,553.50
4. Step 4: Simplify right side
   10,030.11x = 76,862,647.73
5. Step 5: Solve for x
   x = 76,862,647.73/10,030.11
6. Step 6: Final answer
   x = 7,663.19