Finding the Fourth Proportional to 150,392.63, 207,541.83 and 89,965.82

Step by Step Solution

1. Step 1: Write the proportion equation
   150,392.63 : 207,541.83 = 89,965.82 : x
2. Step 2: Convert to fraction form
   150,392.63/207,541.83 = 89,965.82/x
3. Step 3: Cross multiply
   150,392.63x = 207,541.83 × 89,965.82
4. Step 4: Simplify right side
   150,392.63x = 18,671,670,920.25
5. Step 5: Solve for x
   x = 18,671,670,920.25/150,392.63
6. Step 6: Final answer
   x = 124,152.83