Finding the Fourth Proportional to 35,699.31, 49,266.36 and 21,549.42

Step by Step Solution

1. Step 1: Write the proportion equation
   35,699.31 : 49,266.36 = 21,549.42 : x
2. Step 2: Convert to fraction form
   35,699.31/49,266.36 = 21,549.42/x
3. Step 3: Cross multiply
   35,699.31x = 49,266.36 × 21,549.42
4. Step 4: Simplify right side
   35,699.31x = 1,061,661,483.51
5. Step 5: Solve for x
   x = 1,061,661,483.51/35,699.31
6. Step 6: Final answer
   x = 29,738.99