Finding the Fourth Proportional to 1,978,069.50, 2,729,735.91 and 1,072,652.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,069.50 : 2,729,735.91 = 1,072,652.22 : x
2. Step 2: Convert to fraction form
   1,978,069.50/2,729,735.91 = 1,072,652.22/x
3. Step 3: Cross multiply
   1,978,069.50x = 2,729,735.91 × 1,072,652.22
4. Step 4: Simplify right side
   1,978,069.50x = 2,928,057,283,875.22
5. Step 5: Solve for x
   x = 2,928,057,283,875.22/1,978,069.50
6. Step 6: Final answer
   x = 1,480,260.06