Finding the Fourth Proportional to 336,326.72, 504,475.50 and 83,601.88

Step by Step Solution

1. Step 1: Write the proportion equation
   336,326.72 : 504,475.50 = 83,601.88 : x
2. Step 2: Convert to fraction form
   336,326.72/504,475.50 = 83,601.88/x
3. Step 3: Cross multiply
   336,326.72x = 504,475.50 × 83,601.88
4. Step 4: Simplify right side
   336,326.72x = 42,175,100,213.94
5. Step 5: Solve for x
   x = 42,175,100,213.94/336,326.72
6. Step 6: Final answer
   x = 125,399.20