Finding the Fourth Proportional to 10,781.30, 14,877.57 and 6,065.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,781.30 : 14,877.57 = 6,065.30 : x
2. Step 2: Convert to fraction form
   10,781.30/14,877.57 = 6,065.30/x
3. Step 3: Cross multiply
   10,781.30x = 14,877.57 × 6,065.30
4. Step 4: Simplify right side
   10,781.30x = 90,236,925.32
5. Step 5: Solve for x
   x = 90,236,925.32/10,781.30
6. Step 6: Final answer
   x = 8,369.76