Finding the Fourth Proportional to 697,788.29, 962,695.89 and 395,807.33

Step by Step Solution

1. Step 1: Write the proportion equation
   697,788.29 : 962,695.89 = 395,807.33 : x
2. Step 2: Convert to fraction form
   697,788.29/962,695.89 = 395,807.33/x
3. Step 3: Cross multiply
   697,788.29x = 962,695.89 × 395,807.33
4. Step 4: Simplify right side
   697,788.29x = 381,042,092,229.61
5. Step 5: Solve for x
   x = 381,042,092,229.61/697,788.29
6. Step 6: Final answer
   x = 546,071.20