Finding the Fourth Proportional to 72,026.20, 99,381.32 and 41,393.39

Step by Step Solution

1. Step 1: Write the proportion equation
   72,026.20 : 99,381.32 = 41,393.39 : x
2. Step 2: Convert to fraction form
   72,026.20/99,381.32 = 41,393.39/x
3. Step 3: Cross multiply
   72,026.20x = 99,381.32 × 41,393.39
4. Step 4: Simplify right side
   72,026.20x = 4,113,729,530.51
5. Step 5: Solve for x
   x = 4,113,729,530.51/72,026.20
6. Step 6: Final answer
   x = 57,114.35