Finding the Fourth Proportional to 11,320.65, 15,631.83 and 7,348.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,320.65 : 15,631.83 = 7,348.59 : x
2. Step 2: Convert to fraction form
   11,320.65/15,631.83 = 7,348.59/x
3. Step 3: Cross multiply
   11,320.65x = 15,631.83 × 7,348.59
4. Step 4: Simplify right side
   11,320.65x = 114,871,909.62
5. Step 5: Solve for x
   x = 114,871,909.62/11,320.65
6. Step 6: Final answer
   x = 10,147.11