Finding the Fourth Proportional to 9,444.18, 14,159.87 and 5,287.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,444.18 : 14,159.87 = 5,287.05 : x
2. Step 2: Convert to fraction form
   9,444.18/14,159.87 = 5,287.05/x
3. Step 3: Cross multiply
   9,444.18x = 14,159.87 × 5,287.05
4. Step 4: Simplify right side
   9,444.18x = 74,864,007.00
5. Step 5: Solve for x
   x = 74,864,007.00/9,444.18
6. Step 6: Final answer
   x = 7,927.00