Finding the Fourth Proportional to 123,131.98, 184,708.45 and 38,869.60

Step by Step Solution

1. Step 1: Write the proportion equation
   123,131.98 : 184,708.45 = 38,869.60 : x
2. Step 2: Convert to fraction form
   123,131.98/184,708.45 = 38,869.60/x
3. Step 3: Cross multiply
   123,131.98x = 184,708.45 × 38,869.60
4. Step 4: Simplify right side
   123,131.98x = 7,179,543,568.12
5. Step 5: Solve for x
   x = 7,179,543,568.12/123,131.98
6. Step 6: Final answer
   x = 58,307.71