Finding the Fourth Proportional to 339,150.72, 508,060.98 and 196,696.72

Step by Step Solution

1. Step 1: Write the proportion equation
   339,150.72 : 508,060.98 = 196,696.72 : x
2. Step 2: Convert to fraction form
   339,150.72/508,060.98 = 196,696.72/x
3. Step 3: Cross multiply
   339,150.72x = 508,060.98 × 196,696.72
4. Step 4: Simplify right side
   339,150.72x = 99,933,928,325.99
5. Step 5: Solve for x
   x = 99,933,928,325.99/339,150.72
6. Step 6: Final answer
   x = 294,659.34