Finding the Fourth Proportional to 64,856.37, 89,501.34 and 37,993.11

Step by Step Solution

1. Step 1: Write the proportion equation
   64,856.37 : 89,501.34 = 37,993.11 : x
2. Step 2: Convert to fraction form
   64,856.37/89,501.34 = 37,993.11/x
3. Step 3: Cross multiply
   64,856.37x = 89,501.34 × 37,993.11
4. Step 4: Simplify right side
   64,856.37x = 3,400,434,255.77
5. Step 5: Solve for x
   x = 3,400,434,255.77/64,856.37
6. Step 6: Final answer
   x = 52,430.23