Finding the Fourth Proportional to 38,493.54, 53,123.82 and 21,501.09

Step by Step Solution

1. Step 1: Write the proportion equation
   38,493.54 : 53,123.82 = 21,501.09 : x
2. Step 2: Convert to fraction form
   38,493.54/53,123.82 = 21,501.09/x
3. Step 3: Cross multiply
   38,493.54x = 53,123.82 × 21,501.09
4. Step 4: Simplify right side
   38,493.54x = 1,142,220,034.96
5. Step 5: Solve for x
   x = 1,142,220,034.96/38,493.54
6. Step 6: Final answer
   x = 29,673.03