Finding the Fourth Proportional to 52,863.45, 79,139.61 and 35,289.69

Step by Step Solution

1. Step 1: Write the proportion equation
   52,863.45 : 79,139.61 = 35,289.69 : x
2. Step 2: Convert to fraction form
   52,863.45/79,139.61 = 35,289.69/x
3. Step 3: Cross multiply
   52,863.45x = 79,139.61 × 35,289.69
4. Step 4: Simplify right side
   52,863.45x = 2,792,812,303.62
5. Step 5: Solve for x
   x = 2,792,812,303.62/52,863.45
6. Step 6: Final answer
   x = 52,830.69