Finding the Fourth Proportional to 142,091.22, 196,073.44 and 91,013.82

Step by Step Solution

1. Step 1: Write the proportion equation
   142,091.22 : 196,073.44 = 91,013.82 : x
2. Step 2: Convert to fraction form
   142,091.22/196,073.44 = 91,013.82/x
3. Step 3: Cross multiply
   142,091.22x = 196,073.44 × 91,013.82
4. Step 4: Simplify right side
   142,091.22x = 17,845,392,774.94
5. Step 5: Solve for x
   x = 17,845,392,774.94/142,091.22
6. Step 6: Final answer
   x = 125,591.10