Finding the Fourth Proportional to 696,061.89, 960,479.91 and 424,031.09

Step by Step Solution

1. Step 1: Write the proportion equation
   696,061.89 : 960,479.91 = 424,031.09 : x
2. Step 2: Convert to fraction form
   696,061.89/960,479.91 = 424,031.09/x
3. Step 3: Cross multiply
   696,061.89x = 960,479.91 × 424,031.09
4. Step 4: Simplify right side
   696,061.89x = 407,273,338,358.00
5. Step 5: Solve for x
   x = 407,273,338,358.00/696,061.89
6. Step 6: Final answer
   x = 585,110.81