Finding the Fourth Proportional to 72,045.25, 99,423.86 and 41,819.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,045.25 : 99,423.86 = 41,819.59 : x
2. Step 2: Convert to fraction form
   72,045.25/99,423.86 = 41,819.59/x
3. Step 3: Cross multiply
   72,045.25x = 99,423.86 × 41,819.59
4. Step 4: Simplify right side
   72,045.25x = 4,157,864,976.60
5. Step 5: Solve for x
   x = 4,157,864,976.60/72,045.25
6. Step 6: Final answer
   x = 57,711.86