Finding the Fourth Proportional to 14,039.33, 19,373.97 and 7,666.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,039.33 : 19,373.97 = 7,666.05 : x
2. Step 2: Convert to fraction form
   14,039.33/19,373.97 = 7,666.05/x
3. Step 3: Cross multiply
   14,039.33x = 19,373.97 × 7,666.05
4. Step 4: Simplify right side
   14,039.33x = 148,521,822.72
5. Step 5: Solve for x
   x = 148,521,822.72/14,039.33
6. Step 6: Final answer
   x = 10,578.99