Finding the Fourth Proportional to 228,634.48, 342,791.34 and 123,522.40

Step by Step Solution

1. Step 1: Write the proportion equation
   228,634.48 : 342,791.34 = 123,522.40 : x
2. Step 2: Convert to fraction form
   228,634.48/342,791.34 = 123,522.40/x
3. Step 3: Cross multiply
   228,634.48x = 342,791.34 × 123,522.40
4. Step 4: Simplify right side
   228,634.48x = 42,342,409,016.02
5. Step 5: Solve for x
   x = 42,342,409,016.02/228,634.48
6. Step 6: Final answer
   x = 185,196.95