Finding the Fourth Proportional to 1,275,938.06, 1,760,793.55 and 702,978.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,275,938.06 : 1,760,793.55 = 702,978.23 : x
2. Step 2: Convert to fraction form
   1,275,938.06/1,760,793.55 = 702,978.23/x
3. Step 3: Cross multiply
   1,275,938.06x = 1,760,793.55 × 702,978.23
4. Step 4: Simplify right side
   1,275,938.06x = 1,237,799,533,174.42
5. Step 5: Solve for x
   x = 1,237,799,533,174.42/1,275,938.06
6. Step 6: Final answer
   x = 970,109.42