Finding the Fourth Proportional to 140,103.75, 193,343.22 and 89,802.75

Step by Step Solution

1. Step 1: Write the proportion equation
   140,103.75 : 193,343.22 = 89,802.75 : x
2. Step 2: Convert to fraction form
   140,103.75/193,343.22 = 89,802.75/x
3. Step 3: Cross multiply
   140,103.75x = 193,343.22 × 89,802.75
4. Step 4: Simplify right side
   140,103.75x = 17,362,752,849.86
5. Step 5: Solve for x
   x = 17,362,752,849.86/140,103.75
6. Step 6: Final answer
   x = 123,927.82