Finding the Fourth Proportional to 1,131.66, 1,562.76 and 739.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.66 : 1,562.76 = 739.62 : x
2. Step 2: Convert to fraction form
   1,131.66/1,562.76 = 739.62/x
3. Step 3: Cross multiply
   1,131.66x = 1,562.76 × 739.62
4. Step 4: Simplify right side
   1,131.66x = 1,155,848.55
5. Step 5: Solve for x
   x = 1,155,848.55/1,131.66
6. Step 6: Final answer
   x = 1,021.37