Finding the Fourth Proportional to 6,374.31, 9,562.82 and 1,992.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,374.31 : 9,562.82 = 1,992.10 : x
2. Step 2: Convert to fraction form
   6,374.31/9,562.82 = 1,992.10/x
3. Step 3: Cross multiply
   6,374.31x = 9,562.82 × 1,992.10
4. Step 4: Simplify right side
   6,374.31x = 19,050,093.72
5. Step 5: Solve for x
   x = 19,050,093.72/6,374.31
6. Step 6: Final answer
   x = 2,988.57