Finding the Fourth Proportional to 8,216,174.61, 12,325,383.45 and 3,422,742.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216,174.61 : 12,325,383.45 = 3,422,742.88 : x
2. Step 2: Convert to fraction form
   8,216,174.61/12,325,383.45 = 3,422,742.88/x
3. Step 3: Cross multiply
   8,216,174.61x = 12,325,383.45 × 3,422,742.88
4. Step 4: Simplify right side
   8,216,174.61x = 42,186,618,446,757.34
5. Step 5: Solve for x
   x = 42,186,618,446,757.34/8,216,174.61
6. Step 6: Final answer
   x = 5,134,581.54