Finding the Fourth Proportional to 9,495.61, 14,245.31 and 2,921.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,495.61 : 14,245.31 = 2,921.55 : x
2. Step 2: Convert to fraction form
   9,495.61/14,245.31 = 2,921.55/x
3. Step 3: Cross multiply
   9,495.61x = 14,245.31 × 2,921.55
4. Step 4: Simplify right side
   9,495.61x = 41,618,385.43
5. Step 5: Solve for x
   x = 41,618,385.43/9,495.61
6. Step 6: Final answer
   x = 4,382.91