Finding the Fourth Proportional to 10,780.86, 14,877.42 and 6,065.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,780.86 : 14,877.42 = 6,065.12 : x
2. Step 2: Convert to fraction form
   10,780.86/14,877.42 = 6,065.12/x
3. Step 3: Cross multiply
   10,780.86x = 14,877.42 × 6,065.12
4. Step 4: Simplify right side
   10,780.86x = 90,233,337.59
5. Step 5: Solve for x
   x = 90,233,337.59/10,780.86
6. Step 6: Final answer
   x = 8,369.77