Finding the Fourth Proportional to 144,096.72, 216,140.43 and 65,210.94

Step by Step Solution

1. Step 1: Write the proportion equation
   144,096.72 : 216,140.43 = 65,210.94 : x
2. Step 2: Convert to fraction form
   144,096.72/216,140.43 = 65,210.94/x
3. Step 3: Cross multiply
   144,096.72x = 216,140.43 × 65,210.94
4. Step 4: Simplify right side
   144,096.72x = 14,094,720,612.30
5. Step 5: Solve for x
   x = 14,094,720,612.30/144,096.72
6. Step 6: Final answer
   x = 97,814.31