Finding the Fourth Proportional to 8,422,219.42, 12,635,567.25 and 2,665,055.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,422,219.42 : 12,635,567.25 = 2,665,055.32 : x
2. Step 2: Convert to fraction form
   8,422,219.42/12,635,567.25 = 2,665,055.32/x
3. Step 3: Cross multiply
   8,422,219.42x = 12,635,567.25 × 2,665,055.32
4. Step 4: Simplify right side
   8,422,219.42x = 33,674,485,720,830.27
5. Step 5: Solve for x
   x = 33,674,485,720,830.27/8,422,219.42
6. Step 6: Final answer
   x = 3,998,291.19