Finding the Fourth Proportional to 96,113.33, 144,221.72 and 39,992.18

Step by Step Solution

1. Step 1: Write the proportion equation
   96,113.33 : 144,221.72 = 39,992.18 : x
2. Step 2: Convert to fraction form
   96,113.33/144,221.72 = 39,992.18/x
3. Step 3: Cross multiply
   96,113.33x = 144,221.72 × 39,992.18
4. Step 4: Simplify right side
   96,113.33x = 5,767,740,876.33
5. Step 5: Solve for x
   x = 5,767,740,876.33/96,113.33
6. Step 6: Final answer
   x = 60,009.79