Finding the Fourth Proportional to 2,706,210.72, 4,058,966.04 and 1,287,168.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,706,210.72 : 4,058,966.04 = 1,287,168.48 : x
2. Step 2: Convert to fraction form
   2,706,210.72/4,058,966.04 = 1,287,168.48/x
3. Step 3: Cross multiply
   2,706,210.72x = 4,058,966.04 × 1,287,168.48
4. Step 4: Simplify right side
   2,706,210.72x = 5,224,573,148,078.42
5. Step 5: Solve for x
   x = 5,224,573,148,078.42/2,706,210.72
6. Step 6: Final answer
   x = 1,930,586.23