Finding the Fourth Proportional to 2,058,091.56, 3,085,488.72 and 978,062.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058,091.56 : 3,085,488.72 = 978,062.10 : x
2. Step 2: Convert to fraction form
   2,058,091.56/3,085,488.72 = 978,062.10/x
3. Step 3: Cross multiply
   2,058,091.56x = 3,085,488.72 × 978,062.10
4. Step 4: Simplify right side
   2,058,091.56x = 3,017,799,577,009.51
5. Step 5: Solve for x
   x = 3,017,799,577,009.51/2,058,091.56
6. Step 6: Final answer
   x = 1,466,309.68