Finding the Fourth Proportional to 4,974.50, 7,461.86 and 1,687.59

Step by Step Solution

1. Step 1: Write the proportion equation
   4,974.50 : 7,461.86 = 1,687.59 : x
2. Step 2: Convert to fraction form
   4,974.50/7,461.86 = 1,687.59/x
3. Step 3: Cross multiply
   4,974.50x = 7,461.86 × 1,687.59
4. Step 4: Simplify right side
   4,974.50x = 12,592,551.88
5. Step 5: Solve for x
   x = 12,592,551.88/4,974.50
6. Step 6: Final answer
   x = 2,531.42