Finding the Fourth Proportional to 92,857.91, 139,354.49 and 33,698.34

Step by Step Solution

1. Step 1: Write the proportion equation
   92,857.91 : 139,354.49 = 33,698.34 : x
2. Step 2: Convert to fraction form
   92,857.91/139,354.49 = 33,698.34/x
3. Step 3: Cross multiply
   92,857.91x = 139,354.49 × 33,698.34
4. Step 4: Simplify right side
   92,857.91x = 4,696,015,068.79
5. Step 5: Solve for x
   x = 4,696,015,068.79/92,857.91
6. Step 6: Final answer
   x = 50,572.05