Finding the Fourth Proportional to 521,238.50, 719,304.27 and 294,884

Step by Step Solution

1. Step 1: Write the proportion equation
   521,238.50 : 719,304.27 = 294,884 : x
2. Step 2: Convert to fraction form
   521,238.50/719,304.27 = 294,884/x
3. Step 3: Cross multiply
   521,238.50x = 719,304.27 × 294,884
4. Step 4: Simplify right side
   521,238.50x = 212,111,320,354.68
5. Step 5: Solve for x
   x = 212,111,320,354.68/521,238.50
6. Step 6: Final answer
   x = 406,937.17