Finding the Fourth Proportional to 150,191, 225,111.54 and 83,599.28

Step by Step Solution

1. Step 1: Write the proportion equation
   150,191 : 225,111.54 = 83,599.28 : x
2. Step 2: Convert to fraction form
   150,191/225,111.54 = 83,599.28/x
3. Step 3: Cross multiply
   150,191x = 225,111.54 × 83,599.28
4. Step 4: Simplify right side
   150,191x = 18,819,162,663.69
5. Step 5: Solve for x
   x = 18,819,162,663.69/150,191
6. Step 6: Final answer
   x = 125,301.53