Finding the Fourth Proportional to 510,567.59, 704,577.33 and 281,120.10

Step by Step Solution

1. Step 1: Write the proportion equation
   510,567.59 : 704,577.33 = 281,120.10 : x
2. Step 2: Convert to fraction form
   510,567.59/704,577.33 = 281,120.10/x
3. Step 3: Cross multiply
   510,567.59x = 704,577.33 × 281,120.10
4. Step 4: Simplify right side
   510,567.59x = 198,070,849,467.33
5. Step 5: Solve for x
   x = 198,070,849,467.33/510,567.59
6. Step 6: Final answer
   x = 387,942.47