Finding the Fourth Proportional to 503,499.46, 694,895.61 and 302,308.42

Step by Step Solution

1. Step 1: Write the proportion equation
   503,499.46 : 694,895.61 = 302,308.42 : x
2. Step 2: Convert to fraction form
   503,499.46/694,895.61 = 302,308.42/x
3. Step 3: Cross multiply
   503,499.46x = 694,895.61 × 302,308.42
4. Step 4: Simplify right side
   503,499.46x = 210,072,793,924.04
5. Step 5: Solve for x
   x = 210,072,793,924.04/503,499.46
6. Step 6: Final answer
   x = 417,225.46