Finding the Fourth Proportional to 123,641.38, 185,460.06 and 39,400.42

Step by Step Solution

1. Step 1: Write the proportion equation
   123,641.38 : 185,460.06 = 39,400.42 : x
2. Step 2: Convert to fraction form
   123,641.38/185,460.06 = 39,400.42/x
3. Step 3: Cross multiply
   123,641.38x = 185,460.06 × 39,400.42
4. Step 4: Simplify right side
   123,641.38x = 7,307,204,257.23
5. Step 5: Solve for x
   x = 7,307,204,257.23/123,641.38
6. Step 6: Final answer
   x = 59,099.99