Finding the Fourth Proportional to 5,426.86, 7,490.04 and 3,188.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,426.86 : 7,490.04 = 3,188.82 : x
2. Step 2: Convert to fraction form
   5,426.86/7,490.04 = 3,188.82/x
3. Step 3: Cross multiply
   5,426.86x = 7,490.04 × 3,188.82
4. Step 4: Simplify right side
   5,426.86x = 23,884,389.35
5. Step 5: Solve for x
   x = 23,884,389.35/5,426.86
6. Step 6: Final answer
   x = 4,401.14