Finding the Fourth Proportional to 17,985.31, 26,978.22 and 6,892.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,985.31 : 26,978.22 = 6,892.56 : x
2. Step 2: Convert to fraction form
   17,985.31/26,978.22 = 6,892.56/x
3. Step 3: Cross multiply
   17,985.31x = 26,978.22 × 6,892.56
4. Step 4: Simplify right side
   17,985.31x = 185,948,965.58
5. Step 5: Solve for x
   x = 185,948,965.58/17,985.31
6. Step 6: Final answer
   x = 10,338.94