Finding the Fourth Proportional to 2,058,103.89, 3,087,157.05 and 859,372.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058,103.89 : 3,087,157.05 = 859,372.74 : x
2. Step 2: Convert to fraction form
   2,058,103.89/3,087,157.05 = 859,372.74/x
3. Step 3: Cross multiply
   2,058,103.89x = 3,087,157.05 × 859,372.74
4. Step 4: Simplify right side
   2,058,103.89x = 2,653,018,612,868.82
5. Step 5: Solve for x
   x = 2,653,018,612,868.82/2,058,103.89
6. Step 6: Final answer
   x = 1,289,059.62