Finding the Fourth Proportional to 72,229.06, 99,676.37 and 40,395.93

Step by Step Solution

1. Step 1: Write the proportion equation
   72,229.06 : 99,676.37 = 40,395.93 : x
2. Step 2: Convert to fraction form
   72,229.06/99,676.37 = 40,395.93/x
3. Step 3: Cross multiply
   72,229.06x = 99,676.37 × 40,395.93
4. Step 4: Simplify right side
   72,229.06x = 4,026,519,665.17
5. Step 5: Solve for x
   x = 4,026,519,665.17/72,229.06
6. Step 6: Final answer
   x = 55,746.53