Finding the Fourth Proportional to 1,101.30, 1,517.67 and 1,036.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101.30 : 1,517.67 = 1,036.50 : x
2. Step 2: Convert to fraction form
   1,101.30/1,517.67 = 1,036.50/x
3. Step 3: Cross multiply
   1,101.30x = 1,517.67 × 1,036.50
4. Step 4: Simplify right side
   1,101.30x = 1,573,064.96
5. Step 5: Solve for x
   x = 1,573,064.96/1,101.30
6. Step 6: Final answer
   x = 1,428.37