Finding the Fourth Proportional to 2,706.04, 4,068.72 and 2,492.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,706.04 : 4,068.72 = 2,492.20 : x
2. Step 2: Convert to fraction form
   2,706.04/4,068.72 = 2,492.20/x
3. Step 3: Cross multiply
   2,706.04x = 4,068.72 × 2,492.20
4. Step 4: Simplify right side
   2,706.04x = 10,140,063.98
5. Step 5: Solve for x
   x = 10,140,063.98/2,706.04
6. Step 6: Final answer
   x = 3,747.20