Finding the Fourth Proportional to 5,647.42, 8,471.61 and 1,948.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,647.42 : 8,471.61 = 1,948.15 : x
2. Step 2: Convert to fraction form
   5,647.42/8,471.61 = 1,948.15/x
3. Step 3: Cross multiply
   5,647.42x = 8,471.61 × 1,948.15
4. Step 4: Simplify right side
   5,647.42x = 16,503,967.02
5. Step 5: Solve for x
   x = 16,503,967.02/5,647.42
6. Step 6: Final answer
   x = 2,922.39