Finding the Fourth Proportional to 510,574.52, 704,607.72 and 281,155.52

Step by Step Solution

1. Step 1: Write the proportion equation
   510,574.52 : 704,607.72 = 281,155.52 : x
2. Step 2: Convert to fraction form
   510,574.52/704,607.72 = 281,155.52/x
3. Step 3: Cross multiply
   510,574.52x = 704,607.72 × 281,155.52
4. Step 4: Simplify right side
   510,574.52x = 198,104,349,912.61
5. Step 5: Solve for x
   x = 198,104,349,912.61/510,574.52
6. Step 6: Final answer
   x = 388,002.81