Finding the Fourth Proportional to 1,502.72, 2,234.02 and 1,399.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,502.72 : 2,234.02 = 1,399.04 : x
2. Step 2: Convert to fraction form
   1,502.72/2,234.02 = 1,399.04/x
3. Step 3: Cross multiply
   1,502.72x = 2,234.02 × 1,399.04
4. Step 4: Simplify right side
   1,502.72x = 3,125,483.34
5. Step 5: Solve for x
   x = 3,125,483.34/1,502.72
6. Step 6: Final answer
   x = 2,079.88