Finding the Fourth Proportional to 64,890.98, 89,541.42 and 38,027.34

Step by Step Solution

1. Step 1: Write the proportion equation
   64,890.98 : 89,541.42 = 38,027.34 : x
2. Step 2: Convert to fraction form
   64,890.98/89,541.42 = 38,027.34/x
3. Step 3: Cross multiply
   64,890.98x = 89,541.42 × 38,027.34
4. Step 4: Simplify right side
   64,890.98x = 3,405,022,022.42
5. Step 5: Solve for x
   x = 3,405,022,022.42/64,890.98
6. Step 6: Final answer
   x = 52,472.96