Finding the Fourth Proportional to 144,152.58, 198,929.37 and 78,741.46

Step by Step Solution

1. Step 1: Write the proportion equation
   144,152.58 : 198,929.37 = 78,741.46 : x
2. Step 2: Convert to fraction form
   144,152.58/198,929.37 = 78,741.46/x
3. Step 3: Cross multiply
   144,152.58x = 198,929.37 × 78,741.46
4. Step 4: Simplify right side
   144,152.58x = 15,663,987,642.33
5. Step 5: Solve for x
   x = 15,663,987,642.33/144,152.58
6. Step 6: Final answer
   x = 108,662.56