Finding the Fourth Proportional to 9,055.31, 12,496.38 and 5,281.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,055.31 : 12,496.38 = 5,281.10 : x
2. Step 2: Convert to fraction form
   9,055.31/12,496.38 = 5,281.10/x
3. Step 3: Cross multiply
   9,055.31x = 12,496.38 × 5,281.10
4. Step 4: Simplify right side
   9,055.31x = 65,994,550.13
5. Step 5: Solve for x
   x = 65,994,550.13/9,055.31
6. Step 6: Final answer
   x = 7,287.94