Finding the Fourth Proportional to 64,857.37, 89,502.72 and 37,994.11

Step by Step Solution

1. Step 1: Write the proportion equation
   64,857.37 : 89,502.72 = 37,994.11 : x
2. Step 2: Convert to fraction form
   64,857.37/89,502.72 = 37,994.11/x
3. Step 3: Cross multiply
   64,857.37x = 89,502.72 × 37,994.11
4. Step 4: Simplify right side
   64,857.37x = 3,400,576,188.98
5. Step 5: Solve for x
   x = 3,400,576,188.98/64,857.37
6. Step 6: Final answer
   x = 52,431.61