Finding the Fourth Proportional to 10,778.12, 14,870.14 and 6,061.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,778.12 : 14,870.14 = 6,061.40 : x
2. Step 2: Convert to fraction form
   10,778.12/14,870.14 = 6,061.40/x
3. Step 3: Cross multiply
   10,778.12x = 14,870.14 × 6,061.40
4. Step 4: Simplify right side
   10,778.12x = 90,133,866.60
5. Step 5: Solve for x
   x = 90,133,866.60/10,778.12
6. Step 6: Final answer
   x = 8,362.67