Finding the Fourth Proportional to 2,703.52, 4,056.80 and 1,242.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,703.52 : 4,056.80 = 1,242.72 : x
2. Step 2: Convert to fraction form
   2,703.52/4,056.80 = 1,242.72/x
3. Step 3: Cross multiply
   2,703.52x = 4,056.80 × 1,242.72
4. Step 4: Simplify right side
   2,703.52x = 5,041,466.50
5. Step 5: Solve for x
   x = 5,041,466.50/2,703.52
6. Step 6: Final answer
   x = 1,864.78