Finding the Fourth Proportional to 2,492.75, 3,439.81 and 1,373.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.75 : 3,439.81 = 1,373.63 : x
2. Step 2: Convert to fraction form
   2,492.75/3,439.81 = 1,373.63/x
3. Step 3: Cross multiply
   2,492.75x = 3,439.81 × 1,373.63
4. Step 4: Simplify right side
   2,492.75x = 4,725,010.73
5. Step 5: Solve for x
   x = 4,725,010.73/2,492.75
6. Step 6: Final answer
   x = 1,895.50