Finding the Fourth Proportional to 2,215,430.72, 3,323,172.72 and 617,896.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,430.72 : 3,323,172.72 = 617,896.52 : x
2. Step 2: Convert to fraction form
   2,215,430.72/3,323,172.72 = 617,896.52/x
3. Step 3: Cross multiply
   2,215,430.72x = 3,323,172.72 × 617,896.52
4. Step 4: Simplify right side
   2,215,430.72x = 2,053,376,859,046.93
5. Step 5: Solve for x
   x = 2,053,376,859,046.93/2,215,430.72
6. Step 6: Final answer
   x = 926,852.21