Finding the Fourth Proportional to 142,041.52, 195,934.62 and 91,036.12

Step by Step Solution

1. Step 1: Write the proportion equation
   142,041.52 : 195,934.62 = 91,036.12 : x
2. Step 2: Convert to fraction form
   142,041.52/195,934.62 = 91,036.12/x
3. Step 3: Cross multiply
   142,041.52x = 195,934.62 × 91,036.12
4. Step 4: Simplify right side
   142,041.52x = 17,837,127,578.47
5. Step 5: Solve for x
   x = 17,837,127,578.47/142,041.52
6. Step 6: Final answer
   x = 125,576.86