Finding the Fourth Proportional to 1,337.64, 1,848.20 and 963.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.64 : 1,848.20 = 963.88 : x
2. Step 2: Convert to fraction form
   1,337.64/1,848.20 = 963.88/x
3. Step 3: Cross multiply
   1,337.64x = 1,848.20 × 963.88
4. Step 4: Simplify right side
   1,337.64x = 1,781,443.02
5. Step 5: Solve for x
   x = 1,781,443.02/1,337.64
6. Step 6: Final answer
   x = 1,331.78