Finding the Fourth Proportional to 9,426.98, 14,146.43 and 5,269.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.98 : 14,146.43 = 5,269.72 : x
2. Step 2: Convert to fraction form
   9,426.98/14,146.43 = 5,269.72/x
3. Step 3: Cross multiply
   9,426.98x = 14,146.43 × 5,269.72
4. Step 4: Simplify right side
   9,426.98x = 74,547,739.31
5. Step 5: Solve for x
   x = 74,547,739.31/9,426.98
6. Step 6: Final answer
   x = 7,907.91