Finding the Fourth Proportional to 2,591,160.72, 3,575,808 and 1,445,315.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591,160.72 : 3,575,808 = 1,445,315.28 : x
2. Step 2: Convert to fraction form
   2,591,160.72/3,575,808 = 1,445,315.28/x
3. Step 3: Cross multiply
   2,591,160.72x = 3,575,808 × 1,445,315.28
4. Step 4: Simplify right side
   2,591,160.72x = 5,168,169,940,746.24
5. Step 5: Solve for x
   x = 5,168,169,940,746.24/2,591,160.72
6. Step 6: Final answer
   x = 1,994,538.55