Finding the Fourth Proportional to 150,019.56, 207,034.56 and 86,366.52

Step by Step Solution

1. Step 1: Write the proportion equation
   150,019.56 : 207,034.56 = 86,366.52 : x
2. Step 2: Convert to fraction form
   150,019.56/207,034.56 = 86,366.52/x
3. Step 3: Cross multiply
   150,019.56x = 207,034.56 × 86,366.52
4. Step 4: Simplify right side
   150,019.56x = 17,880,854,466.93
5. Step 5: Solve for x
   x = 17,880,854,466.93/150,019.56
6. Step 6: Final answer
   x = 119,190.15