Finding the Fourth Proportional to 339,150, 508,734.72 and 89,832

Step by Step Solution

1. Step 1: Write the proportion equation
   339,150 : 508,734.72 = 89,832 : x
2. Step 2: Convert to fraction form
   339,150/508,734.72 = 89,832/x
3. Step 3: Cross multiply
   339,150x = 508,734.72 × 89,832
4. Step 4: Simplify right side
   339,150x = 45,700,657,367.04
5. Step 5: Solve for x
   x = 45,700,657,367.04/339,150
6. Step 6: Final answer
   x = 134,750.57