Finding the Fourth Proportional to 1,116.62, 1,675.34 and 747.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.62 : 1,675.34 = 747.93 : x
2. Step 2: Convert to fraction form
   1,116.62/1,675.34 = 747.93/x
3. Step 3: Cross multiply
   1,116.62x = 1,675.34 × 747.93
4. Step 4: Simplify right side
   1,116.62x = 1,253,033.31
5. Step 5: Solve for x
   x = 1,253,033.31/1,116.62
6. Step 6: Final answer
   x = 1,122.17