Finding the Fourth Proportional to 1,836.32, 2,534.72 and 1,248.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836.32 : 2,534.72 = 1,248.64 : x
2. Step 2: Convert to fraction form
   1,836.32/2,534.72 = 1,248.64/x
3. Step 3: Cross multiply
   1,836.32x = 2,534.72 × 1,248.64
4. Step 4: Simplify right side
   1,836.32x = 3,164,952.78
5. Step 5: Solve for x
   x = 3,164,952.78/1,836.32
6. Step 6: Final answer
   x = 1,723.53