Finding the Fourth Proportional to 123,185.90, 184,806.29 and 48,313.15

Step by Step Solution

1. Step 1: Write the proportion equation
   123,185.90 : 184,806.29 = 48,313.15 : x
2. Step 2: Convert to fraction form
   123,185.90/184,806.29 = 48,313.15/x
3. Step 3: Cross multiply
   123,185.90x = 184,806.29 × 48,313.15
4. Step 4: Simplify right side
   123,185.90x = 8,928,574,009.71
5. Step 5: Solve for x
   x = 8,928,574,009.71/123,185.90
6. Step 6: Final answer
   x = 72,480.49