Finding the Fourth Proportional to 2,011.60, 2,774.20 and 1,451.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.60 : 2,774.20 = 1,451.76 : x
2. Step 2: Convert to fraction form
   2,011.60/2,774.20 = 1,451.76/x
3. Step 3: Cross multiply
   2,011.60x = 2,774.20 × 1,451.76
4. Step 4: Simplify right side
   2,011.60x = 4,027,472.59
5. Step 5: Solve for x
   x = 4,027,472.59/2,011.60
6. Step 6: Final answer
   x = 2,002.12