Finding the Fourth Proportional to 72,100.57, 99,498.22 and 41,903.57

Step by Step Solution

1. Step 1: Write the proportion equation
   72,100.57 : 99,498.22 = 41,903.57 : x
2. Step 2: Convert to fraction form
   72,100.57/99,498.22 = 41,903.57/x
3. Step 3: Cross multiply
   72,100.57x = 99,498.22 × 41,903.57
4. Step 4: Simplify right side
   72,100.57x = 4,169,330,024.40
5. Step 5: Solve for x
   x = 4,169,330,024.40/72,100.57
6. Step 6: Final answer
   x = 57,826.59