Finding the Fourth Proportional to 142,087.52, 196,068.36 and 91,010.14

Step by Step Solution

1. Step 1: Write the proportion equation
   142,087.52 : 196,068.36 = 91,010.14 : x
2. Step 2: Convert to fraction form
   142,087.52/196,068.36 = 91,010.14/x
3. Step 3: Cross multiply
   142,087.52x = 196,068.36 × 91,010.14
4. Step 4: Simplify right side
   142,087.52x = 17,844,208,744.29
5. Step 5: Solve for x
   x = 17,844,208,744.29/142,087.52
6. Step 6: Final answer
   x = 125,586.04