Finding the Fourth Proportional to 14,066.59, 19,411.10 and 7,691.91

Step by Step Solution

1. Step 1: Write the proportion equation
   14,066.59 : 19,411.10 = 7,691.91 : x
2. Step 2: Convert to fraction form
   14,066.59/19,411.10 = 7,691.91/x
3. Step 3: Cross multiply
   14,066.59x = 19,411.10 × 7,691.91
4. Step 4: Simplify right side
   14,066.59x = 149,308,434.20
5. Step 5: Solve for x
   x = 149,308,434.20/14,066.59
6. Step 6: Final answer
   x = 10,614.41