Finding the Fourth Proportional to 2,442.06, 3,664.96 and 1,272.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.06 : 3,664.96 = 1,272.35 : x
2. Step 2: Convert to fraction form
   2,442.06/3,664.96 = 1,272.35/x
3. Step 3: Cross multiply
   2,442.06x = 3,664.96 × 1,272.35
4. Step 4: Simplify right side
   2,442.06x = 4,663,111.86
5. Step 5: Solve for x
   x = 4,663,111.86/2,442.06
6. Step 6: Final answer
   x = 1,909.50