Finding the Fourth Proportional to 2,058,499.85, 2,840,499.09 and 1,140,499.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058,499.85 : 2,840,499.09 = 1,140,499.71 : x
2. Step 2: Convert to fraction form
   2,058,499.85/2,840,499.09 = 1,140,499.71/x
3. Step 3: Cross multiply
   2,058,499.85x = 2,840,499.09 × 1,140,499.71
4. Step 4: Simplify right side
   2,058,499.85x = 3,239,588,388,400.26
5. Step 5: Solve for x
   x = 3,239,588,388,400.26/2,058,499.85
6. Step 6: Final answer
   x = 1,573,761.78