Finding the Fourth Proportional to 681,188, 940,068.62 and 379,382

Step by Step Solution

1. Step 1: Write the proportion equation
   681,188 : 940,068.62 = 379,382 : x
2. Step 2: Convert to fraction form
   681,188/940,068.62 = 379,382/x
3. Step 3: Cross multiply
   681,188x = 940,068.62 × 379,382
4. Step 4: Simplify right side
   681,188x = 356,645,113,192.84
5. Step 5: Solve for x
   x = 356,645,113,192.84/681,188
6. Step 6: Final answer
   x = 523,563.41