Finding the Fourth Proportional to 96,665.84, 144,996.96 and 39,727.76

Step by Step Solution

1. Step 1: Write the proportion equation
   96,665.84 : 144,996.96 = 39,727.76 : x
2. Step 2: Convert to fraction form
   96,665.84/144,996.96 = 39,727.76/x
3. Step 3: Cross multiply
   96,665.84x = 144,996.96 × 39,727.76
4. Step 4: Simplify right side
   96,665.84x = 5,760,404,427.61
5. Step 5: Solve for x
   x = 5,760,404,427.61/96,665.84
6. Step 6: Final answer
   x = 59,590.90