Finding the Fourth Proportional to 64,818.42, 89,471.55 and 37,969.48

Step by Step Solution

1. Step 1: Write the proportion equation
   64,818.42 : 89,471.55 = 37,969.48 : x
2. Step 2: Convert to fraction form
   64,818.42/89,471.55 = 37,969.48/x
3. Step 3: Cross multiply
   64,818.42x = 89,471.55 × 37,969.48
4. Step 4: Simplify right side
   64,818.42x = 3,397,188,228.29
5. Step 5: Solve for x
   x = 3,397,188,228.29/64,818.42
6. Step 6: Final answer
   x = 52,410.85