Finding the Fourth Proportional to 123,242.24, 183,895.30 and 115,718.96

Step by Step Solution

1. Step 1: Write the proportion equation
   123,242.24 : 183,895.30 = 115,718.96 : x
2. Step 2: Convert to fraction form
   123,242.24/183,895.30 = 115,718.96/x
3. Step 3: Cross multiply
   123,242.24x = 183,895.30 × 115,718.96
4. Step 4: Simplify right side
   123,242.24x = 21,280,172,864.89
5. Step 5: Solve for x
   x = 21,280,172,864.89/123,242.24
6. Step 6: Final answer
   x = 172,669.47