Finding the Fourth Proportional to 64,716, 89,290.62 and 37,865.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,716 : 89,290.62 = 37,865.10 : x
2. Step 2: Convert to fraction form
   64,716/89,290.62 = 37,865.10/x
3. Step 3: Cross multiply
   64,716x = 89,290.62 × 37,865.10
4. Step 4: Simplify right side
   64,716x = 3,380,998,255.36
5. Step 5: Solve for x
   x = 3,380,998,255.36/64,716
6. Step 6: Final answer
   x = 52,243.62