Finding the Fourth Proportional to 525,498.77, 725,306.42 and 344,105.34

Step by Step Solution

1. Step 1: Write the proportion equation
   525,498.77 : 725,306.42 = 344,105.34 : x
2. Step 2: Convert to fraction form
   525,498.77/725,306.42 = 344,105.34/x
3. Step 3: Cross multiply
   525,498.77x = 725,306.42 × 344,105.34
4. Step 4: Simplify right side
   525,498.77x = 249,581,812,258.28
5. Step 5: Solve for x
   x = 249,581,812,258.28/525,498.77
6. Step 6: Final answer
   x = 474,942.71