Finding the Fourth Proportional to 1,410.16, 1,946.42 and 1,130.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.16 : 1,946.42 = 1,130.28 : x
2. Step 2: Convert to fraction form
   1,410.16/1,946.42 = 1,130.28/x
3. Step 3: Cross multiply
   1,410.16x = 1,946.42 × 1,130.28
4. Step 4: Simplify right side
   1,410.16x = 2,199,999.60
5. Step 5: Solve for x
   x = 2,199,999.60/1,410.16
6. Step 6: Final answer
   x = 1,560.11