Finding the Fourth Proportional to 1,572.42, 2,355.03 and 751.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572.42 : 2,355.03 = 751.27 : x
2. Step 2: Convert to fraction form
   1,572.42/2,355.03 = 751.27/x
3. Step 3: Cross multiply
   1,572.42x = 2,355.03 × 751.27
4. Step 4: Simplify right side
   1,572.42x = 1,769,251.61
5. Step 5: Solve for x
   x = 1,769,251.61/1,572.42
6. Step 6: Final answer
   x = 1,125.18