Finding the Fourth Proportional to 35,518.93, 49,022.47 and 21,179.69

Step by Step Solution

1. Step 1: Write the proportion equation
   35,518.93 : 49,022.47 = 21,179.69 : x
2. Step 2: Convert to fraction form
   35,518.93/49,022.47 = 21,179.69/x
3. Step 3: Cross multiply
   35,518.93x = 49,022.47 × 21,179.69
4. Step 4: Simplify right side
   35,518.93x = 1,038,280,472.52
5. Step 5: Solve for x
   x = 1,038,280,472.52/35,518.93
6. Step 6: Final answer
   x = 29,231.75