Finding the Fourth Proportional to 10,776.90, 14,871.42 and 6,061.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,776.90 : 14,871.42 = 6,061.08 : x
2. Step 2: Convert to fraction form
   10,776.90/14,871.42 = 6,061.08/x
3. Step 3: Cross multiply
   10,776.90x = 14,871.42 × 6,061.08
4. Step 4: Simplify right side
   10,776.90x = 90,136,866.33
5. Step 5: Solve for x
   x = 90,136,866.33/10,776.90
6. Step 6: Final answer
   x = 8,363.90