Finding the Fourth Proportional to 1,475.72, 2,036.76 and 1,226.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475.72 : 2,036.76 = 1,226.72 : x
2. Step 2: Convert to fraction form
   1,475.72/2,036.76 = 1,226.72/x
3. Step 3: Cross multiply
   1,475.72x = 2,036.76 × 1,226.72
4. Step 4: Simplify right side
   1,475.72x = 2,498,534.23
5. Step 5: Solve for x
   x = 2,498,534.23/1,475.72
6. Step 6: Final answer
   x = 1,693.10