Finding the Fourth Proportional to 55,899.99, 77,142.24 and 30,406.46

Step by Step Solution

1. Step 1: Write the proportion equation
   55,899.99 : 77,142.24 = 30,406.46 : x
2. Step 2: Convert to fraction form
   55,899.99/77,142.24 = 30,406.46/x
3. Step 3: Cross multiply
   55,899.99x = 77,142.24 × 30,406.46
4. Step 4: Simplify right side
   55,899.99x = 2,345,622,049.16
5. Step 5: Solve for x
   x = 2,345,622,049.16/55,899.99
6. Step 6: Final answer
   x = 41,961.05