Finding the Fourth Proportional to 2,259,452.72, 3,118,116.59 and 1,240,857.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259,452.72 : 3,118,116.59 = 1,240,857.47 : x
2. Step 2: Convert to fraction form
   2,259,452.72/3,118,116.59 = 1,240,857.47/x
3. Step 3: Cross multiply
   2,259,452.72x = 3,118,116.59 × 1,240,857.47
4. Step 4: Simplify right side
   2,259,452.72x = 3,869,138,241,237.56
5. Step 5: Solve for x
   x = 3,869,138,241,237.56/2,259,452.72
6. Step 6: Final answer
   x = 1,712,422.75