Finding the Fourth Proportional to 122,938.84, 169,653.72 and 69,223.72

Step by Step Solution

1. Step 1: Write the proportion equation
   122,938.84 : 169,653.72 = 69,223.72 : x
2. Step 2: Convert to fraction form
   122,938.84/169,653.72 = 69,223.72/x
3. Step 3: Cross multiply
   122,938.84x = 169,653.72 × 69,223.72
4. Step 4: Simplify right side
   122,938.84x = 11,744,061,610.24
5. Step 5: Solve for x
   x = 11,744,061,610.24/122,938.84
6. Step 6: Final answer
   x = 95,527.68