Finding the Fourth Proportional to 66,018.51, 91,103.94 and 37,722.51

Step by Step Solution

1. Step 1: Write the proportion equation
   66,018.51 : 91,103.94 = 37,722.51 : x
2. Step 2: Convert to fraction form
   66,018.51/91,103.94 = 37,722.51/x
3. Step 3: Cross multiply
   66,018.51x = 91,103.94 × 37,722.51
4. Step 4: Simplify right side
   66,018.51x = 3,436,669,287.69
5. Step 5: Solve for x
   x = 3,436,669,287.69/66,018.51
6. Step 6: Final answer
   x = 52,056.15