Finding the Fourth Proportional to 64,646.35, 89,222.57 and 37,783.62

Step by Step Solution

1. Step 1: Write the proportion equation
   64,646.35 : 89,222.57 = 37,783.62 : x
2. Step 2: Convert to fraction form
   64,646.35/89,222.57 = 37,783.62/x
3. Step 3: Cross multiply
   64,646.35x = 89,222.57 × 37,783.62
4. Step 4: Simplify right side
   64,646.35x = 3,371,151,680.30
5. Step 5: Solve for x
   x = 3,371,151,680.30/64,646.35
6. Step 6: Final answer
   x = 52,147.60