Finding the Fourth Proportional to 2,492.72, 3,439.94 and 1,373.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.72 : 3,439.94 = 1,373.64 : x
2. Step 2: Convert to fraction form
   2,492.72/3,439.94 = 1,373.64/x
3. Step 3: Cross multiply
   2,492.72x = 3,439.94 × 1,373.64
4. Step 4: Simplify right side
   2,492.72x = 4,725,238.76
5. Step 5: Solve for x
   x = 4,725,238.76/2,492.72
6. Step 6: Final answer
   x = 1,895.61