Finding the Fourth Proportional to 1,574,647.12, 2,362,345.52 and 509,689.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574,647.12 : 2,362,345.52 = 509,689.10 : x
2. Step 2: Convert to fraction form
   1,574,647.12/2,362,345.52 = 509,689.10/x
3. Step 3: Cross multiply
   1,574,647.12x = 2,362,345.52 × 509,689.10
4. Step 4: Simplify right side
   1,574,647.12x = 1,204,061,761,977.83
5. Step 5: Solve for x
   x = 1,204,061,761,977.83/1,574,647.12
6. Step 6: Final answer
   x = 764,654.98