Finding the Fourth Proportional to 1,248,238.56, 1,722,552.34 and 696,962.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,238.56 : 1,722,552.34 = 696,962.78 : x
2. Step 2: Convert to fraction form
   1,248,238.56/1,722,552.34 = 696,962.78/x
3. Step 3: Cross multiply
   1,248,238.56x = 1,722,552.34 × 696,962.78
4. Step 4: Simplify right side
   1,248,238.56x = 1,200,554,867,581.91
5. Step 5: Solve for x
   x = 1,200,554,867,581.91/1,248,238.56
6. Step 6: Final answer
   x = 961,799.22