Finding the Fourth Proportional to 144,007.84, 215,986.84 and 65,103.72

Step by Step Solution

1. Step 1: Write the proportion equation
   144,007.84 : 215,986.84 = 65,103.72 : x
2. Step 2: Convert to fraction form
   144,007.84/215,986.84 = 65,103.72/x
3. Step 3: Cross multiply
   144,007.84x = 215,986.84 × 65,103.72
4. Step 4: Simplify right side
   144,007.84x = 14,061,546,755.04
5. Step 5: Solve for x
   x = 14,061,546,755.04/144,007.84
6. Step 6: Final answer
   x = 97,644.31