Finding the Fourth Proportional to 9,382.56, 14,061.42 and 4,990.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,382.56 : 14,061.42 = 4,990.56 : x
2. Step 2: Convert to fraction form
   9,382.56/14,061.42 = 4,990.56/x
3. Step 3: Cross multiply
   9,382.56x = 14,061.42 × 4,990.56
4. Step 4: Simplify right side
   9,382.56x = 70,174,360.20
5. Step 5: Solve for x
   x = 70,174,360.20/9,382.56
6. Step 6: Final answer
   x = 7,479.23