Finding the Fourth Proportional to 228,864.84, 343,392 and 123,559.96

Step by Step Solution

1. Step 1: Write the proportion equation
   228,864.84 : 343,392 = 123,559.96 : x
2. Step 2: Convert to fraction form
   228,864.84/343,392 = 123,559.96/x
3. Step 3: Cross multiply
   228,864.84x = 343,392 × 123,559.96
4. Step 4: Simplify right side
   228,864.84x = 42,429,501,784.32
5. Step 5: Solve for x
   x = 42,429,501,784.32/228,864.84
6. Step 6: Final answer
   x = 185,391.09