Finding the Fourth Proportional to 105,931.35, 146,213.01 and 65,622.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,931.35 : 146,213.01 = 65,622.24 : x
2. Step 2: Convert to fraction form
   105,931.35/146,213.01 = 65,622.24/x
3. Step 3: Cross multiply
   105,931.35x = 146,213.01 × 65,622.24
4. Step 4: Simplify right side
   105,931.35x = 9,594,825,233.34
5. Step 5: Solve for x
   x = 9,594,825,233.34/105,931.35
6. Step 6: Final answer
   x = 90,575.88