Finding the Fourth Proportional to 10,218.66, 14,103.12 and 5,742.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,218.66 : 14,103.12 = 5,742.84 : x
2. Step 2: Convert to fraction form
   10,218.66/14,103.12 = 5,742.84/x
3. Step 3: Cross multiply
   10,218.66x = 14,103.12 × 5,742.84
4. Step 4: Simplify right side
   10,218.66x = 80,991,961.66
5. Step 5: Solve for x
   x = 80,991,961.66/10,218.66
6. Step 6: Final answer
   x = 7,925.89