Finding the Fourth Proportional to 402,221.37, 602,771.55 and 302,264.82

Step by Step Solution

1. Step 1: Write the proportion equation
   402,221.37 : 602,771.55 = 302,264.82 : x
2. Step 2: Convert to fraction form
   402,221.37/602,771.55 = 302,264.82/x
3. Step 3: Cross multiply
   402,221.37x = 602,771.55 × 302,264.82
4. Step 4: Simplify right side
   402,221.37x = 182,196,634,061.87
5. Step 5: Solve for x
   x = 182,196,634,061.87/402,221.37
6. Step 6: Final answer
   x = 452,976.02