Finding the Fourth Proportional to 2,531.76, 3,795.92 and 1,298.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.76 : 3,795.92 = 1,298.18 : x
2. Step 2: Convert to fraction form
   2,531.76/3,795.92 = 1,298.18/x
3. Step 3: Cross multiply
   2,531.76x = 3,795.92 × 1,298.18
4. Step 4: Simplify right side
   2,531.76x = 4,927,787.43
5. Step 5: Solve for x
   x = 4,927,787.43/2,531.76
6. Step 6: Final answer
   x = 1,946.39