Finding the Fourth Proportional to 10,807.56, 14,913.72 and 6,091.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,807.56 : 14,913.72 = 6,091.74 : x
2. Step 2: Convert to fraction form
   10,807.56/14,913.72 = 6,091.74/x
3. Step 3: Cross multiply
   10,807.56x = 14,913.72 × 6,091.74
4. Step 4: Simplify right side
   10,807.56x = 90,850,504.67
5. Step 5: Solve for x
   x = 90,850,504.67/10,807.56
6. Step 6: Final answer
   x = 8,406.20