Finding the Fourth Proportional to 123,329.16, 184,994.64 and 39,087.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,329.16 : 184,994.64 = 39,087.72 : x
2. Step 2: Convert to fraction form
   123,329.16/184,994.64 = 39,087.72/x
3. Step 3: Cross multiply
   123,329.16x = 184,994.64 × 39,087.72
4. Step 4: Simplify right side
   123,329.16x = 7,231,018,689.82
5. Step 5: Solve for x
   x = 7,231,018,689.82/123,329.16
6. Step 6: Final answer
   x = 58,631.87