Finding the Fourth Proportional to 51,301.27, 70,795.29 and 28,638.82

Step by Step Solution

1. Step 1: Write the proportion equation
   51,301.27 : 70,795.29 = 28,638.82 : x
2. Step 2: Convert to fraction form
   51,301.27/70,795.29 = 28,638.82/x
3. Step 3: Cross multiply
   51,301.27x = 70,795.29 × 28,638.82
4. Step 4: Simplify right side
   51,301.27x = 2,027,493,567.16
5. Step 5: Solve for x
   x = 2,027,493,567.16/51,301.27
6. Step 6: Final answer
   x = 39,521.31