Finding the Fourth Proportional to 64,880.83, 89,535.68 and 35,072.83

Step by Step Solution

1. Step 1: Write the proportion equation
   64,880.83 : 89,535.68 = 35,072.83 : x
2. Step 2: Convert to fraction form
   64,880.83/89,535.68 = 35,072.83/x
3. Step 3: Cross multiply
   64,880.83x = 89,535.68 × 35,072.83
4. Step 4: Simplify right side
   64,880.83x = 3,140,269,683.57
5. Step 5: Solve for x
   x = 3,140,269,683.57/64,880.83
6. Step 6: Final answer
   x = 48,400.58