Finding the Fourth Proportional to 64,880.58, 89,535.33 and 35,072.58

Step by Step Solution

1. Step 1: Write the proportion equation
   64,880.58 : 89,535.33 = 35,072.58 : x
2. Step 2: Convert to fraction form
   64,880.58/89,535.33 = 35,072.58/x
3. Step 3: Cross multiply
   64,880.58x = 89,535.33 × 35,072.58
4. Step 4: Simplify right side
   64,880.58x = 3,140,235,024.25
5. Step 5: Solve for x
   x = 3,140,235,024.25/64,880.58
6. Step 6: Final answer
   x = 48,400.23