Finding the Fourth Proportional to 2,559,783.72, 3,532,480.56 and 1,398,230.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,783.72 : 3,532,480.56 = 1,398,230.76 : x
2. Step 2: Convert to fraction form
   2,559,783.72/3,532,480.56 = 1,398,230.76/x
3. Step 3: Cross multiply
   2,559,783.72x = 3,532,480.56 × 1,398,230.76
4. Step 4: Simplify right side
   2,559,783.72x = 4,939,222,978,094.03
5. Step 5: Solve for x
   x = 4,939,222,978,094.03/2,559,783.72
6. Step 6: Final answer
   x = 1,929,546.99