Finding the Fourth Proportional to 10,467.09, 15,699.69 and 3,892.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,467.09 : 15,699.69 = 3,892.05 : x
2. Step 2: Convert to fraction form
   10,467.09/15,699.69 = 3,892.05/x
3. Step 3: Cross multiply
   10,467.09x = 15,699.69 × 3,892.05
4. Step 4: Simplify right side
   10,467.09x = 61,103,978.46
5. Step 5: Solve for x
   x = 61,103,978.46/10,467.09
6. Step 6: Final answer
   x = 5,837.72