Finding the Fourth Proportional to 1,116.14, 1,671.77 and 790.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.14 : 1,671.77 = 790.52 : x
2. Step 2: Convert to fraction form
   1,116.14/1,671.77 = 790.52/x
3. Step 3: Cross multiply
   1,116.14x = 1,671.77 × 790.52
4. Step 4: Simplify right side
   1,116.14x = 1,321,555.31
5. Step 5: Solve for x
   x = 1,321,555.31/1,116.14
6. Step 6: Final answer
   x = 1,184.05