Finding the Fourth Proportional to 12,111,073.65, 18,170,116.98 and 3,591,615.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111,073.65 : 18,170,116.98 = 3,591,615.15 : x
2. Step 2: Convert to fraction form
   12,111,073.65/18,170,116.98 = 3,591,615.15/x
3. Step 3: Cross multiply
   12,111,073.65x = 18,170,116.98 × 3,591,615.15
4. Step 4: Simplify right side
   12,111,073.65x = 65,260,067,422,640.25
5. Step 5: Solve for x
   x = 65,260,067,422,640.25/12,111,073.65
6. Step 6: Final answer
   x = 5,388,462.60