Finding the Fourth Proportional to 72,036.36, 99,406.98 and 41,819.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,036.36 : 99,406.98 = 41,819.31 : x
2. Step 2: Convert to fraction form
   72,036.36/99,406.98 = 41,819.31/x
3. Step 3: Cross multiply
   72,036.36x = 99,406.98 × 41,819.31
4. Step 4: Simplify right side
   72,036.36x = 4,157,131,312.78
5. Step 5: Solve for x
   x = 4,157,131,312.78/72,036.36
6. Step 6: Final answer
   x = 57,708.79