Finding the Fourth Proportional to 2,058,123.72, 3,085,536.84 and 978,094.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058,123.72 : 3,085,536.84 = 978,094.20 : x
2. Step 2: Convert to fraction form
   2,058,123.72/3,085,536.84 = 978,094.20/x
3. Step 3: Cross multiply
   2,058,123.72x = 3,085,536.84 × 978,094.20
4. Step 4: Simplify right side
   2,058,123.72x = 3,017,945,687,090.33
5. Step 5: Solve for x
   x = 3,017,945,687,090.33/2,058,123.72
6. Step 6: Final answer
   x = 1,466,357.76