Finding the Fourth Proportional to 1,502.56, 2,073.63 and 997.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,502.56 : 2,073.63 = 997.55 : x
2. Step 2: Convert to fraction form
   1,502.56/2,073.63 = 997.55/x
3. Step 3: Cross multiply
   1,502.56x = 2,073.63 × 997.55
4. Step 4: Simplify right side
   1,502.56x = 2,068,549.61
5. Step 5: Solve for x
   x = 2,068,549.61/1,502.56
6. Step 6: Final answer
   x = 1,376.68