Finding the Fourth Proportional to 2,147,221.50, 3,220,851.69 and 651,313.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,221.50 : 3,220,851.69 = 651,313.50 : x
2. Step 2: Convert to fraction form
   2,147,221.50/3,220,851.69 = 651,313.50/x
3. Step 3: Cross multiply
   2,147,221.50x = 3,220,851.69 × 651,313.50
4. Step 4: Simplify right side
   2,147,221.50x = 2,097,784,187,194.82
5. Step 5: Solve for x
   x = 2,097,784,187,194.82/2,147,221.50
6. Step 6: Final answer
   x = 976,976.15