Finding the Fourth Proportional to 8,978,182.25, 13,469,164.78 and 2,912,440.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,978,182.25 : 13,469,164.78 = 2,912,440.35 : x
2. Step 2: Convert to fraction form
   8,978,182.25/13,469,164.78 = 2,912,440.35/x
3. Step 3: Cross multiply
   8,978,182.25x = 13,469,164.78 × 2,912,440.35
4. Step 4: Simplify right side
   8,978,182.25x = 39,228,138,986,070.88
5. Step 5: Solve for x
   x = 39,228,138,986,070.88/8,978,182.25
6. Step 6: Final answer
   x = 4,369,274.08