Finding the Fourth Proportional to 6,131.46, 8,461.89 and 3,478.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,131.46 : 8,461.89 = 3,478.98 : x
2. Step 2: Convert to fraction form
   6,131.46/8,461.89 = 3,478.98/x
3. Step 3: Cross multiply
   6,131.46x = 8,461.89 × 3,478.98
4. Step 4: Simplify right side
   6,131.46x = 29,438,746.07
5. Step 5: Solve for x
   x = 29,438,746.07/6,131.46
6. Step 6: Final answer
   x = 4,801.26