Finding the Fourth Proportional to 35,557.95, 49,068 and 22,128.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,557.95 : 49,068 = 22,128.78 : x
2. Step 2: Convert to fraction form
   35,557.95/49,068 = 22,128.78/x
3. Step 3: Cross multiply
   35,557.95x = 49,068 × 22,128.78
4. Step 4: Simplify right side
   35,557.95x = 1,085,814,977.04
5. Step 5: Solve for x
   x = 1,085,814,977.04/35,557.95
6. Step 6: Final answer
   x = 30,536.49