Finding the Fourth Proportional to 9,454.96, 14,165.52 and 5,290.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,454.96 : 14,165.52 = 5,290.12 : x
2. Step 2: Convert to fraction form
   9,454.96/14,165.52 = 5,290.12/x
3. Step 3: Cross multiply
   9,454.96x = 14,165.52 × 5,290.12
4. Step 4: Simplify right side
   9,454.96x = 74,937,300.66
5. Step 5: Solve for x
   x = 74,937,300.66/9,454.96
6. Step 6: Final answer
   x = 7,925.71