Finding the Fourth Proportional to 10,390.61, 14,334.06 and 7,553.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,390.61 : 14,334.06 = 7,553.59 : x
2. Step 2: Convert to fraction form
   10,390.61/14,334.06 = 7,553.59/x
3. Step 3: Cross multiply
   10,390.61x = 14,334.06 × 7,553.59
4. Step 4: Simplify right side
   10,390.61x = 108,273,604.77
5. Step 5: Solve for x
   x = 108,273,604.77/10,390.61
6. Step 6: Final answer
   x = 10,420.33