Finding the Fourth Proportional to 66,145.87, 91,288.72 and 37,467.46

Step by Step Solution

1. Step 1: Write the proportion equation
   66,145.87 : 91,288.72 = 37,467.46 : x
2. Step 2: Convert to fraction form
   66,145.87/91,288.72 = 37,467.46/x
3. Step 3: Cross multiply
   66,145.87x = 91,288.72 × 37,467.46
4. Step 4: Simplify right side
   66,145.87x = 3,420,356,626.00
5. Step 5: Solve for x
   x = 3,420,356,626.00/66,145.87
6. Step 6: Final answer
   x = 51,709.30