Finding the Fourth Proportional to 1,451.56, 1,997.22 and 1,254.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.56 : 1,997.22 = 1,254.76 : x
2. Step 2: Convert to fraction form
   1,451.56/1,997.22 = 1,254.76/x
3. Step 3: Cross multiply
   1,451.56x = 1,997.22 × 1,254.76
4. Step 4: Simplify right side
   1,451.56x = 2,506,031.77
5. Step 5: Solve for x
   x = 2,506,031.77/1,451.56
6. Step 6: Final answer
   x = 1,726.44