Finding the Fourth Proportional to 1,430.92, 1,973.46 and 1,100.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430.92 : 1,973.46 = 1,100.16 : x
2. Step 2: Convert to fraction form
   1,430.92/1,973.46 = 1,100.16/x
3. Step 3: Cross multiply
   1,430.92x = 1,973.46 × 1,100.16
4. Step 4: Simplify right side
   1,430.92x = 2,171,121.75
5. Step 5: Solve for x
   x = 2,171,121.75/1,430.92
6. Step 6: Final answer
   x = 1,517.29