Finding the Fourth Proportional to 5,410.09, 8,111.89 and 1,948.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,410.09 : 8,111.89 = 1,948.15 : x
2. Step 2: Convert to fraction form
   5,410.09/8,111.89 = 1,948.15/x
3. Step 3: Cross multiply
   5,410.09x = 8,111.89 × 1,948.15
4. Step 4: Simplify right side
   5,410.09x = 15,803,178.50
5. Step 5: Solve for x
   x = 15,803,178.50/5,410.09
6. Step 6: Final answer
   x = 2,921.06