Finding the Fourth Proportional to 647,185.06, 970,806.72 and 247,722.22

Step by Step Solution

1. Step 1: Write the proportion equation
   647,185.06 : 970,806.72 = 247,722.22 : x
2. Step 2: Convert to fraction form
   647,185.06/970,806.72 = 247,722.22/x
3. Step 3: Cross multiply
   647,185.06x = 970,806.72 × 247,722.22
4. Step 4: Simplify right side
   647,185.06x = 240,490,395,869.32
5. Step 5: Solve for x
   x = 240,490,395,869.32/647,185.06
6. Step 6: Final answer
   x = 371,594.48