Finding the Fourth Proportional to 38,089.98, 57,099.96 and 13,124.09

Step by Step Solution

1. Step 1: Write the proportion equation
   38,089.98 : 57,099.96 = 13,124.09 : x
2. Step 2: Convert to fraction form
   38,089.98/57,099.96 = 13,124.09/x
3. Step 3: Cross multiply
   38,089.98x = 57,099.96 × 13,124.09
4. Step 4: Simplify right side
   38,089.98x = 749,384,728.54
5. Step 5: Solve for x
   x = 749,384,728.54/38,089.98
6. Step 6: Final answer
   x = 19,674.06