Finding the Fourth Proportional to 1,978,473.33, 2,730,586.55 and 1,253,388.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,473.33 : 2,730,586.55 = 1,253,388.33 : x
2. Step 2: Convert to fraction form
   1,978,473.33/2,730,586.55 = 1,253,388.33/x
3. Step 3: Cross multiply
   1,978,473.33x = 2,730,586.55 × 1,253,388.33
4. Step 4: Simplify right side
   1,978,473.33x = 3,422,485,309,558.02
5. Step 5: Solve for x
   x = 3,422,485,309,558.02/1,978,473.33
6. Step 6: Final answer
   x = 1,729,861.74