Finding the Fourth Proportional to 51,848,019.20, 71,551,710.25 and 28,644,640.84

Step by Step Solution

1. Step 1: Write the proportion equation
   51,848,019.20 : 71,551,710.25 = 28,644,640.84 : x
2. Step 2: Convert to fraction form
   51,848,019.20/71,551,710.25 = 28,644,640.84/x
3. Step 3: Cross multiply
   51,848,019.20x = 71,551,710.25 × 28,644,640.84
4. Step 4: Simplify right side
   51,848,019.20x = 2,049,573,041,616,824.50
5. Step 5: Solve for x
   x = 2,049,573,041,616,824.50/51,848,019.20
6. Step 6: Final answer
   x = 39,530,401.99