Finding the Fourth Proportional to 35,749.60, 49,338.83 and 20,642.24

Step by Step Solution

1. Step 1: Write the proportion equation
   35,749.60 : 49,338.83 = 20,642.24 : x
2. Step 2: Convert to fraction form
   35,749.60/49,338.83 = 20,642.24/x
3. Step 3: Cross multiply
   35,749.60x = 49,338.83 × 20,642.24
4. Step 4: Simplify right side
   35,749.60x = 1,018,464,174.16
5. Step 5: Solve for x
   x = 1,018,464,174.16/35,749.60
6. Step 6: Final answer
   x = 28,488.82