Finding the Fourth Proportional to 142,034.55, 196,007.57 and 91,047.24

Step by Step Solution

1. Step 1: Write the proportion equation
   142,034.55 : 196,007.57 = 91,047.24 : x
2. Step 2: Convert to fraction form
   142,034.55/196,007.57 = 91,047.24/x
3. Step 3: Cross multiply
   142,034.55x = 196,007.57 × 91,047.24
4. Step 4: Simplify right side
   142,034.55x = 17,845,947,812.37
5. Step 5: Solve for x
   x = 17,845,947,812.37/142,034.55
6. Step 6: Final answer
   x = 125,645.12