Finding the Fourth Proportional to 1,612,978.07, 2,419,464.15 and 476,538.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612,978.07 : 2,419,464.15 = 476,538.57 : x
2. Step 2: Convert to fraction form
   1,612,978.07/2,419,464.15 = 476,538.57/x
3. Step 3: Cross multiply
   1,612,978.07x = 2,419,464.15 × 476,538.57
4. Step 4: Simplify right side
   1,612,978.07x = 1,152,967,986,207.27
5. Step 5: Solve for x
   x = 1,152,967,986,207.27/1,612,978.07
6. Step 6: Final answer
   x = 714,806.98