Finding the Fourth Proportional to 647,106.28, 970,661.98 and 197,825.48

Step by Step Solution

1. Step 1: Write the proportion equation
   647,106.28 : 970,661.98 = 197,825.48 : x
2. Step 2: Convert to fraction form
   647,106.28/970,661.98 = 197,825.48/x
3. Step 3: Cross multiply
   647,106.28x = 970,661.98 × 197,825.48
4. Step 4: Simplify right side
   647,106.28x = 192,021,672,111.25
5. Step 5: Solve for x
   x = 192,021,672,111.25/647,106.28
6. Step 6: Final answer
   x = 296,739.00