Finding the Fourth Proportional to 123,892.30, 185,845.50 and 35,138.79

Step by Step Solution

1. Step 1: Write the proportion equation
   123,892.30 : 185,845.50 = 35,138.79 : x
2. Step 2: Convert to fraction form
   123,892.30/185,845.50 = 35,138.79/x
3. Step 3: Cross multiply
   123,892.30x = 185,845.50 × 35,138.79
4. Step 4: Simplify right side
   123,892.30x = 6,530,385,067.72
5. Step 5: Solve for x
   x = 6,530,385,067.72/123,892.30
6. Step 6: Final answer
   x = 52,710.18