Finding the Fourth Proportional to 51,510.18, 71,078.16 and 28,846.02

Step by Step Solution

1. Step 1: Write the proportion equation
   51,510.18 : 71,078.16 = 28,846.02 : x
2. Step 2: Convert to fraction form
   51,510.18/71,078.16 = 28,846.02/x
3. Step 3: Cross multiply
   51,510.18x = 71,078.16 × 28,846.02
4. Step 4: Simplify right side
   51,510.18x = 2,050,322,024.92
5. Step 5: Solve for x
   x = 2,050,322,024.92/51,510.18
6. Step 6: Final answer
   x = 39,804.21