Finding the Fourth Proportional to 1,510.71, 2,266.56 and 740.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.71 : 2,266.56 = 740.67 : x
2. Step 2: Convert to fraction form
   1,510.71/2,266.56 = 740.67/x
3. Step 3: Cross multiply
   1,510.71x = 2,266.56 × 740.67
4. Step 4: Simplify right side
   1,510.71x = 1,678,773.00
5. Step 5: Solve for x
   x = 1,678,773.00/1,510.71
6. Step 6: Final answer
   x = 1,111.25