Finding the Fourth Proportional to 10,030.24, 13,840.81 and 5,553.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,030.24 : 13,840.81 = 5,553.78 : x
2. Step 2: Convert to fraction form
   10,030.24/13,840.81 = 5,553.78/x
3. Step 3: Cross multiply
   10,030.24x = 13,840.81 × 5,553.78
4. Step 4: Simplify right side
   10,030.24x = 76,868,813.76
5. Step 5: Solve for x
   x = 76,868,813.76/10,030.24
6. Step 6: Final answer
   x = 7,663.71