Finding the Fourth Proportional to 1,410.64, 1,946.16 and 1,036.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.64 : 1,946.16 = 1,036.72 : x
2. Step 2: Convert to fraction form
   1,410.64/1,946.16 = 1,036.72/x
3. Step 3: Cross multiply
   1,410.64x = 1,946.16 × 1,036.72
4. Step 4: Simplify right side
   1,410.64x = 2,017,623.00
5. Step 5: Solve for x
   x = 2,017,623.00/1,410.64
6. Step 6: Final answer
   x = 1,430.29