Finding the Fourth Proportional to 83,061.35, 114,383.43 and 72,154.48

Step by Step Solution

1. Step 1: Write the proportion equation
   83,061.35 : 114,383.43 = 72,154.48 : x
2. Step 2: Convert to fraction form
   83,061.35/114,383.43 = 72,154.48/x
3. Step 3: Cross multiply
   83,061.35x = 114,383.43 × 72,154.48
4. Step 4: Simplify right side
   83,061.35x = 8,253,277,450.17
5. Step 5: Solve for x
   x = 8,253,277,450.17/83,061.35
6. Step 6: Final answer
   x = 99,363.63