Finding the Fourth Proportional to 150,002.94, 207,022.32 and 86,339.40

Step by Step Solution

1. Step 1: Write the proportion equation
   150,002.94 : 207,022.32 = 86,339.40 : x
2. Step 2: Convert to fraction form
   150,002.94/207,022.32 = 86,339.40/x
3. Step 3: Cross multiply
   150,002.94x = 207,022.32 × 86,339.40
4. Step 4: Simplify right side
   150,002.94x = 17,874,182,895.41
5. Step 5: Solve for x
   x = 17,874,182,895.41/150,002.94
6. Step 6: Final answer
   x = 119,158.88