Finding the Fourth Proportional to 2,662,798.56, 3,674,678.82 and 1,439,101.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662,798.56 : 3,674,678.82 = 1,439,101.20 : x
2. Step 2: Convert to fraction form
   2,662,798.56/3,674,678.82 = 1,439,101.20/x
3. Step 3: Cross multiply
   2,662,798.56x = 3,674,678.82 × 1,439,101.20
4. Step 4: Simplify right side
   2,662,798.56x = 5,288,234,699,476.58
5. Step 5: Solve for x
   x = 5,288,234,699,476.58/2,662,798.56
6. Step 6: Final answer
   x = 1,985,968.74