Finding the Fourth Proportional to 123,064.30, 184,450.65 and 91,863.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,064.30 : 184,450.65 = 91,863.10 : x
2. Step 2: Convert to fraction form
   123,064.30/184,450.65 = 91,863.10/x
3. Step 3: Cross multiply
   123,064.30x = 184,450.65 × 91,863.10
4. Step 4: Simplify right side
   123,064.30x = 16,944,208,506.02
5. Step 5: Solve for x
   x = 16,944,208,506.02/123,064.30
6. Step 6: Final answer
   x = 137,685.82