Finding the Fourth Proportional to 5,491.90, 7,575.98 and 3,499.00

Step by Step Solution

1. Step 1: Write the proportion equation
   5,491.90 : 7,575.98 = 3,499.00 : x
2. Step 2: Convert to fraction form
   5,491.90/7,575.98 = 3,499.00/x
3. Step 3: Cross multiply
   5,491.90x = 7,575.98 × 3,499.00
4. Step 4: Simplify right side
   5,491.90x = 26,508,337.27
5. Step 5: Solve for x
   x = 26,508,337.27/5,491.90
6. Step 6: Final answer
   x = 4,826.81