Finding the Fourth Proportional to 3,120,498.18, 4,681,137.42 and 1,071,556.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,120,498.18 : 4,681,137.42 = 1,071,556.20 : x
2. Step 2: Convert to fraction form
   3,120,498.18/4,681,137.42 = 1,071,556.20/x
3. Step 3: Cross multiply
   3,120,498.18x = 4,681,137.42 × 1,071,556.20
4. Step 4: Simplify right side
   3,120,498.18x = 5,016,101,825,453.00
5. Step 5: Solve for x
   x = 5,016,101,825,453.00/3,120,498.18
6. Step 6: Final answer
   x = 1,607,468.27