Finding the Fourth Proportional to 1,095.30, 1,517.61 and 1,071.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.30 : 1,517.61 = 1,071.93 : x
2. Step 2: Convert to fraction form
   1,095.30/1,517.61 = 1,071.93/x
3. Step 3: Cross multiply
   1,095.30x = 1,517.61 × 1,071.93
4. Step 4: Simplify right side
   1,095.30x = 1,626,771.69
5. Step 5: Solve for x
   x = 1,626,771.69/1,095.30
6. Step 6: Final answer
   x = 1,485.23