Finding the Fourth Proportional to 1,397,189.31, 2,096,597.33 and 587,515.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,189.31 : 2,096,597.33 = 587,515.20 : x
2. Step 2: Convert to fraction form
   1,397,189.31/2,096,597.33 = 587,515.20/x
3. Step 3: Cross multiply
   1,397,189.31x = 2,096,597.33 × 587,515.20
4. Step 4: Simplify right side
   1,397,189.31x = 1,231,782,799,654.42
5. Step 5: Solve for x
   x = 1,231,782,799,654.42/1,397,189.31
6. Step 6: Final answer
   x = 881,614.82