Finding the Fourth Proportional to 72,018.82, 99,419.58 and 41,798.28

Step by Step Solution

1. Step 1: Write the proportion equation
   72,018.82 : 99,419.58 = 41,798.28 : x
2. Step 2: Convert to fraction form
   72,018.82/99,419.58 = 41,798.28/x
3. Step 3: Cross multiply
   72,018.82x = 99,419.58 × 41,798.28
4. Step 4: Simplify right side
   72,018.82x = 4,155,567,138.35
5. Step 5: Solve for x
   x = 4,155,567,138.35/72,018.82
6. Step 6: Final answer
   x = 57,701.13