Finding the Fourth Proportional to 11,642.71, 16,066.46 and 6,606.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,642.71 : 16,066.46 = 6,606.83 : x
2. Step 2: Convert to fraction form
   11,642.71/16,066.46 = 6,606.83/x
3. Step 3: Cross multiply
   11,642.71x = 16,066.46 × 6,606.83
4. Step 4: Simplify right side
   11,642.71x = 106,148,256.56
5. Step 5: Solve for x
   x = 106,148,256.56/11,642.71
6. Step 6: Final answer
   x = 9,117.15