Finding the Fourth Proportional to 1,116.31, 1,530.51 and 1,096.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.31 : 1,530.51 = 1,096.55 : x
2. Step 2: Convert to fraction form
   1,116.31/1,530.51 = 1,096.55/x
3. Step 3: Cross multiply
   1,116.31x = 1,530.51 × 1,096.55
4. Step 4: Simplify right side
   1,116.31x = 1,678,280.74
5. Step 5: Solve for x
   x = 1,678,280.74/1,116.31
6. Step 6: Final answer
   x = 1,503.42