Finding the Fourth Proportional to 35,681.31, 49,241.52 and 21,531.42

Step by Step Solution

1. Step 1: Write the proportion equation
   35,681.31 : 49,241.52 = 21,531.42 : x
2. Step 2: Convert to fraction form
   35,681.31/49,241.52 = 21,531.42/x
3. Step 3: Cross multiply
   35,681.31x = 49,241.52 × 21,531.42
4. Step 4: Simplify right side
   35,681.31x = 1,060,239,848.56
5. Step 5: Solve for x
   x = 1,060,239,848.56/35,681.31
6. Step 6: Final answer
   x = 29,714.15