Finding the Fourth Proportional to 2,987,030.72, 4,479,618.43 and 1,067,675.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,987,030.72 : 4,479,618.43 = 1,067,675.78 : x
2. Step 2: Convert to fraction form
   2,987,030.72/4,479,618.43 = 1,067,675.78/x
3. Step 3: Cross multiply
   2,987,030.72x = 4,479,618.43 × 1,067,675.78
4. Step 4: Simplify right side
   2,987,030.72x = 4,782,780,113,886.27
5. Step 5: Solve for x
   x = 4,782,780,113,886.27/2,987,030.72
6. Step 6: Final answer
   x = 1,601,182.10