Finding the Fourth Proportional to 38,401.05, 57,611.29 and 10,699.05

Step by Step Solution

1. Step 1: Write the proportion equation
   38,401.05 : 57,611.29 = 10,699.05 : x
2. Step 2: Convert to fraction form
   38,401.05/57,611.29 = 10,699.05/x
3. Step 3: Cross multiply
   38,401.05x = 57,611.29 × 10,699.05
4. Step 4: Simplify right side
   38,401.05x = 616,386,072.27
5. Step 5: Solve for x
   x = 616,386,072.27/38,401.05
6. Step 6: Final answer
   x = 16,051.28