Finding the Fourth Proportional to 2,988,443.88, 4,481,109.36 and 1,068,615

Step by Step Solution

1. Step 1: Write the proportion equation
   2,988,443.88 : 4,481,109.36 = 1,068,615 : x
2. Step 2: Convert to fraction form
   2,988,443.88/4,481,109.36 = 1,068,615/x
3. Step 3: Cross multiply
   2,988,443.88x = 4,481,109.36 × 1,068,615
4. Step 4: Simplify right side
   2,988,443.88x = 4,788,580,678,736.40
5. Step 5: Solve for x
   x = 4,788,580,678,736.40/2,988,443.88
6. Step 6: Final answer
   x = 1,602,365.94