Finding the Fourth Proportional to 125,810.72, 173,618.79 and 69,222.09

Step by Step Solution

1. Step 1: Write the proportion equation
   125,810.72 : 173,618.79 = 69,222.09 : x
2. Step 2: Convert to fraction form
   125,810.72/173,618.79 = 69,222.09/x
3. Step 3: Cross multiply
   125,810.72x = 173,618.79 × 69,222.09
4. Step 4: Simplify right side
   125,810.72x = 12,018,256,287.93
5. Step 5: Solve for x
   x = 12,018,256,287.93/125,810.72
6. Step 6: Final answer
   x = 95,526.49