Finding the Fourth Proportional to 72,940.50, 109,443.69 and 41,775.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,940.50 : 109,443.69 = 41,775.75 : x
2. Step 2: Convert to fraction form
   72,940.50/109,443.69 = 41,775.75/x
3. Step 3: Cross multiply
   72,940.50x = 109,443.69 × 41,775.75
4. Step 4: Simplify right side
   72,940.50x = 4,572,092,232.52
5. Step 5: Solve for x
   x = 4,572,092,232.52/72,940.50
6. Step 6: Final answer
   x = 62,682.49