Finding the Fourth Proportional to 12,111,298.47, 18,170,454.06 and 3,591,839.97

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111,298.47 : 18,170,454.06 = 3,591,839.97 : x
2. Step 2: Convert to fraction form
   12,111,298.47/18,170,454.06 = 3,591,839.97/x
3. Step 3: Cross multiply
   12,111,298.47x = 18,170,454.06 × 3,591,839.97
4. Step 4: Simplify right side
   12,111,298.47x = 65,265,363,165,756.77
5. Step 5: Solve for x
   x = 65,265,363,165,756.77/12,111,298.47
6. Step 6: Final answer
   x = 5,388,799.83