Finding the Fourth Proportional to 681,417.34, 940,397.60 and 375,493.77

Step by Step Solution

1. Step 1: Write the proportion equation
   681,417.34 : 940,397.60 = 375,493.77 : x
2. Step 2: Convert to fraction form
   681,417.34/940,397.60 = 375,493.77/x
3. Step 3: Cross multiply
   681,417.34x = 940,397.60 × 375,493.77
4. Step 4: Simplify right side
   681,417.34x = 353,113,441,061.69
5. Step 5: Solve for x
   x = 353,113,441,061.69/681,417.34
6. Step 6: Final answer
   x = 518,204.37