Finding the Fourth Proportional to 2,589,695.37, 3,885,662.75 and 1,390,217.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589,695.37 : 3,885,662.75 = 1,390,217.13 : x
2. Step 2: Convert to fraction form
   2,589,695.37/3,885,662.75 = 1,390,217.13/x
3. Step 3: Cross multiply
   2,589,695.37x = 3,885,662.75 × 1,390,217.13
4. Step 4: Simplify right side
   2,589,695.37x = 5,401,914,909,501.82
5. Step 5: Solve for x
   x = 5,401,914,909,501.82/2,589,695.37
6. Step 6: Final answer
   x = 2,085,926.77