Finding the Fourth Proportional to 55,090.72, 76,024.56 and 29,939.68

Step by Step Solution

1. Step 1: Write the proportion equation
   55,090.72 : 76,024.56 = 29,939.68 : x
2. Step 2: Convert to fraction form
   55,090.72/76,024.56 = 29,939.68/x
3. Step 3: Cross multiply
   55,090.72x = 76,024.56 × 29,939.68
4. Step 4: Simplify right side
   55,090.72x = 2,276,150,998.54
5. Step 5: Solve for x
   x = 2,276,150,998.54/55,090.72
6. Step 6: Final answer
   x = 41,316.41