Finding the Fourth Proportional to 2,570,185.80, 3,854,112.30 and 972,217.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570,185.80 : 3,854,112.30 = 972,217.80 : x
2. Step 2: Convert to fraction form
   2,570,185.80/3,854,112.30 = 972,217.80/x
3. Step 3: Cross multiply
   2,570,185.80x = 3,854,112.30 × 972,217.80
4. Step 4: Simplify right side
   2,570,185.80x = 3,747,036,581,258.94
5. Step 5: Solve for x
   x = 3,747,036,581,258.94/2,570,185.80
6. Step 6: Final answer
   x = 1,457,885.49