Finding the Fourth Proportional to 72,030.72, 99,392.60 and 41,811.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,030.72 : 99,392.60 = 41,811.24 : x
2. Step 2: Convert to fraction form
   72,030.72/99,392.60 = 41,811.24/x
3. Step 3: Cross multiply
   72,030.72x = 99,392.60 × 41,811.24
4. Step 4: Simplify right side
   72,030.72x = 4,155,727,852.82
5. Step 5: Solve for x
   x = 4,155,727,852.82/72,030.72
6. Step 6: Final answer
   x = 57,693.83