Finding the Fourth Proportional to 8,648.98, 12,975.40 and 2,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,648.98 : 12,975.40 = 2,492.50 : x
2. Step 2: Convert to fraction form
   8,648.98/12,975.40 = 2,492.50/x
3. Step 3: Cross multiply
   8,648.98x = 12,975.40 × 2,492.50
4. Step 4: Simplify right side
   8,648.98x = 32,341,184.50
5. Step 5: Solve for x
   x = 32,341,184.50/8,648.98
6. Step 6: Final answer
   x = 3,739.31