Finding the Fourth Proportional to 9,910.47, 14,854.89 and 3,665.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,910.47 : 14,854.89 = 3,665.16 : x
2. Step 2: Convert to fraction form
   9,910.47/14,854.89 = 3,665.16/x
3. Step 3: Cross multiply
   9,910.47x = 14,854.89 × 3,665.16
4. Step 4: Simplify right side
   9,910.47x = 54,445,548.63
5. Step 5: Solve for x
   x = 54,445,548.63/9,910.47
6. Step 6: Final answer
   x = 5,493.74