Finding the Fourth Proportional to 38,444.31, 53,053.16 and 21,677.31

Step by Step Solution

1. Step 1: Write the proportion equation
   38,444.31 : 53,053.16 = 21,677.31 : x
2. Step 2: Convert to fraction form
   38,444.31/53,053.16 = 21,677.31/x
3. Step 3: Cross multiply
   38,444.31x = 53,053.16 × 21,677.31
4. Step 4: Simplify right side
   38,444.31x = 1,150,049,687.41
5. Step 5: Solve for x
   x = 1,150,049,687.41/38,444.31
6. Step 6: Final answer
   x = 29,914.69