Finding the Fourth Proportional to 10,030.86, 13,841.46 and 5,553.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,030.86 : 13,841.46 = 5,553.99 : x
2. Step 2: Convert to fraction form
   10,030.86/13,841.46 = 5,553.99/x
3. Step 3: Cross multiply
   10,030.86x = 13,841.46 × 5,553.99
4. Step 4: Simplify right side
   10,030.86x = 76,875,330.43
5. Step 5: Solve for x
   x = 76,875,330.43/10,030.86
6. Step 6: Final answer
   x = 7,663.88