Finding the Fourth Proportional to 66,238.56, 91,412.42 and 37,944.32

Step by Step Solution

1. Step 1: Write the proportion equation
   66,238.56 : 91,412.42 = 37,944.32 : x
2. Step 2: Convert to fraction form
   66,238.56/91,412.42 = 37,944.32/x
3. Step 3: Cross multiply
   66,238.56x = 91,412.42 × 37,944.32
4. Step 4: Simplify right side
   66,238.56x = 3,468,581,469.67
5. Step 5: Solve for x
   x = 3,468,581,469.67/66,238.56
6. Step 6: Final answer
   x = 52,364.99