Finding the Fourth Proportional to 35,700.31, 49,267.74 and 21,550.42

Step by Step Solution

1. Step 1: Write the proportion equation
   35,700.31 : 49,267.74 = 21,550.42 : x
2. Step 2: Convert to fraction form
   35,700.31/49,267.74 = 21,550.42/x
3. Step 3: Cross multiply
   35,700.31x = 49,267.74 × 21,550.42
4. Step 4: Simplify right side
   35,700.31x = 1,061,740,489.45
5. Step 5: Solve for x
   x = 1,061,740,489.45/35,700.31
6. Step 6: Final answer
   x = 29,740.37