Finding the Fourth Proportional to 2,028,558.78, 2,799,498.60 and 1,123,140.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028,558.78 : 2,799,498.60 = 1,123,140.78 : x
2. Step 2: Convert to fraction form
   2,028,558.78/2,799,498.60 = 1,123,140.78/x
3. Step 3: Cross multiply
   2,028,558.78x = 2,799,498.60 × 1,123,140.78
4. Step 4: Simplify right side
   2,028,558.78x = 3,144,231,041,212.91
5. Step 5: Solve for x
   x = 3,144,231,041,212.91/2,028,558.78
6. Step 6: Final answer
   x = 1,549,982.71