Finding the Fourth Proportional to 51,585,478.56, 71,187,957.90 and 28,380,107.34

Step by Step Solution

1. Step 1: Write the proportion equation
   51,585,478.56 : 71,187,957.90 = 28,380,107.34 : x
2. Step 2: Convert to fraction form
   51,585,478.56/71,187,957.90 = 28,380,107.34/x
3. Step 3: Cross multiply
   51,585,478.56x = 71,187,957.90 × 28,380,107.34
4. Step 4: Simplify right side
   51,585,478.56x = 2,020,321,886,517,401.25
5. Step 5: Solve for x
   x = 2,020,321,886,517,401.25/51,585,478.56
6. Step 6: Final answer
   x = 39,164,546.75