Finding the Fourth Proportional to 696,448, 961,098.24 and 413,824

Step by Step Solution

1. Step 1: Write the proportion equation
   696,448 : 961,098.24 = 413,824 : x
2. Step 2: Convert to fraction form
   696,448/961,098.24 = 413,824/x
3. Step 3: Cross multiply
   696,448x = 961,098.24 × 413,824
4. Step 4: Simplify right side
   696,448x = 397,725,518,069.76
5. Step 5: Solve for x
   x = 397,725,518,069.76/696,448
6. Step 6: Final answer
   x = 571,077.12