Finding the Fourth Proportional to 51,685,123.52, 71,325,477.23 and 28,163,664.20

Step by Step Solution

1. Step 1: Write the proportion equation
   51,685,123.52 : 71,325,477.23 = 28,163,664.20 : x
2. Step 2: Convert to fraction form
   51,685,123.52/71,325,477.23 = 28,163,664.20/x
3. Step 3: Cross multiply
   51,685,123.52x = 71,325,477.23 × 28,163,664.20
4. Step 4: Simplify right side
   51,685,123.52x = 2,008,786,789,113,020.25
5. Step 5: Solve for x
   x = 2,008,786,789,113,020.25/51,685,123.52
6. Step 6: Final answer
   x = 38,865,860.28