Finding the Fourth Proportional to 142,573.33, 196,750.47 and 78,910.96

Step by Step Solution

1. Step 1: Write the proportion equation
   142,573.33 : 196,750.47 = 78,910.96 : x
2. Step 2: Convert to fraction form
   142,573.33/196,750.47 = 78,910.96/x
3. Step 3: Cross multiply
   142,573.33x = 196,750.47 × 78,910.96
4. Step 4: Simplify right side
   142,573.33x = 15,525,768,468.15
5. Step 5: Solve for x
   x = 15,525,768,468.15/142,573.33
6. Step 6: Final answer
   x = 108,896.72