Finding the Fourth Proportional to 9,426.59, 14,056.63 and 9,342.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.59 : 14,056.63 = 9,342.15 : x
2. Step 2: Convert to fraction form
   9,426.59/14,056.63 = 9,342.15/x
3. Step 3: Cross multiply
   9,426.59x = 14,056.63 × 9,342.15
4. Step 4: Simplify right side
   9,426.59x = 131,319,135.82
5. Step 5: Solve for x
   x = 131,319,135.82/9,426.59
6. Step 6: Final answer
   x = 13,930.71