Finding the Fourth Proportional to 81,448.50, 122,061.78 and 41,922.12

Step by Step Solution

1. Step 1: Write the proportion equation
   81,448.50 : 122,061.78 = 41,922.12 : x
2. Step 2: Convert to fraction form
   81,448.50/122,061.78 = 41,922.12/x
3. Step 3: Cross multiply
   81,448.50x = 122,061.78 × 41,922.12
4. Step 4: Simplify right side
   81,448.50x = 5,117,088,588.57
5. Step 5: Solve for x
   x = 5,117,088,588.57/81,448.50
6. Step 6: Final answer
   x = 62,826.06