Finding the Fourth Proportional to 6,151.11, 8,488.55 and 3,498.70

Step by Step Solution

1. Step 1: Write the proportion equation
   6,151.11 : 8,488.55 = 3,498.70 : x
2. Step 2: Convert to fraction form
   6,151.11/8,488.55 = 3,498.70/x
3. Step 3: Cross multiply
   6,151.11x = 8,488.55 × 3,498.70
4. Step 4: Simplify right side
   6,151.11x = 29,698,889.89
5. Step 5: Solve for x
   x = 29,698,889.89/6,151.11
6. Step 6: Final answer
   x = 4,828.22