Finding the Fourth Proportional to 1,104.18, 1,524.42 and 981.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.18 : 1,524.42 = 981.16 : x
2. Step 2: Convert to fraction form
   1,104.18/1,524.42 = 981.16/x
3. Step 3: Cross multiply
   1,104.18x = 1,524.42 × 981.16
4. Step 4: Simplify right side
   1,104.18x = 1,495,696.12
5. Step 5: Solve for x
   x = 1,495,696.12/1,104.18
6. Step 6: Final answer
   x = 1,354.58