Finding the Fourth Proportional to 2,559,968.50, 3,532,676.24 and 1,398,396.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,968.50 : 3,532,676.24 = 1,398,396.10 : x
2. Step 2: Convert to fraction form
   2,559,968.50/3,532,676.24 = 1,398,396.10/x
3. Step 3: Cross multiply
   2,559,968.50x = 3,532,676.24 × 1,398,396.10
4. Step 4: Simplify right side
   2,559,968.50x = 4,940,080,676,578.67
5. Step 5: Solve for x
   x = 4,940,080,676,578.67/2,559,968.50
6. Step 6: Final answer
   x = 1,929,742.76