Finding the Fourth Proportional to 123,377.16, 185,072.48 and 39,131.22

Step by Step Solution

1. Step 1: Write the proportion equation
   123,377.16 : 185,072.48 = 39,131.22 : x
2. Step 2: Convert to fraction form
   123,377.16/185,072.48 = 39,131.22/x
3. Step 3: Cross multiply
   123,377.16x = 185,072.48 × 39,131.22
4. Step 4: Simplify right side
   123,377.16x = 7,242,111,930.83
5. Step 5: Solve for x
   x = 7,242,111,930.83/123,377.16
6. Step 6: Final answer
   x = 58,698.97