Finding the Fourth Proportional to 1,079.83, 1,488.15 and 747.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,079.83 : 1,488.15 = 747.67 : x
2. Step 2: Convert to fraction form
   1,079.83/1,488.15 = 747.67/x
3. Step 3: Cross multiply
   1,079.83x = 1,488.15 × 747.67
4. Step 4: Simplify right side
   1,079.83x = 1,112,645.11
5. Step 5: Solve for x
   x = 1,112,645.11/1,079.83
6. Step 6: Final answer
   x = 1,030.39