Finding the Fourth Proportional to 339,164, 508,755.72 and 89,846

Step by Step Solution

1. Step 1: Write the proportion equation
   339,164 : 508,755.72 = 89,846 : x
2. Step 2: Convert to fraction form
   339,164/508,755.72 = 89,846/x
3. Step 3: Cross multiply
   339,164x = 508,755.72 × 89,846
4. Step 4: Simplify right side
   339,164x = 45,709,666,419.12
5. Step 5: Solve for x
   x = 45,709,666,419.12/339,164
6. Step 6: Final answer
   x = 134,771.57