Finding the Fourth Proportional to 2,635.60, 3,955.34 and 1,248.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.60 : 3,955.34 = 1,248.93 : x
2. Step 2: Convert to fraction form
   2,635.60/3,955.34 = 1,248.93/x
3. Step 3: Cross multiply
   2,635.60x = 3,955.34 × 1,248.93
4. Step 4: Simplify right side
   2,635.60x = 4,939,945.91
5. Step 5: Solve for x
   x = 4,939,945.91/2,635.60
6. Step 6: Final answer
   x = 1,874.32