Finding the Fourth Proportional to 72,198.56, 99,594.02 and 41,980.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,198.56 : 99,594.02 = 41,980.56 : x
2. Step 2: Convert to fraction form
   72,198.56/99,594.02 = 41,980.56/x
3. Step 3: Cross multiply
   72,198.56x = 99,594.02 × 41,980.56
4. Step 4: Simplify right side
   72,198.56x = 4,181,012,732.25
5. Step 5: Solve for x
   x = 4,181,012,732.25/72,198.56
6. Step 6: Final answer
   x = 57,909.92