Finding the Fourth Proportional to 10,857.55, 14,984.01 and 6,077.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,857.55 : 14,984.01 = 6,077.23 : x
2. Step 2: Convert to fraction form
   10,857.55/14,984.01 = 6,077.23/x
3. Step 3: Cross multiply
   10,857.55x = 14,984.01 × 6,077.23
4. Step 4: Simplify right side
   10,857.55x = 91,061,275.09
5. Step 5: Solve for x
   x = 91,061,275.09/10,857.55
6. Step 6: Final answer
   x = 8,386.91