Finding the Fourth Proportional to 1,080.51, 1,618.72 and 532.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,080.51 : 1,618.72 = 532.06 : x
2. Step 2: Convert to fraction form
   1,080.51/1,618.72 = 532.06/x
3. Step 3: Cross multiply
   1,080.51x = 1,618.72 × 532.06
4. Step 4: Simplify right side
   1,080.51x = 861,250.75
5. Step 5: Solve for x
   x = 861,250.75/1,080.51
6. Step 6: Final answer
   x = 797.07