Finding the Fourth Proportional to 5,111.94, 7,057.98 and 3,914.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.94 : 7,057.98 = 3,914.82 : x
2. Step 2: Convert to fraction form
   5,111.94/7,057.98 = 3,914.82/x
3. Step 3: Cross multiply
   5,111.94x = 7,057.98 × 3,914.82
4. Step 4: Simplify right side
   5,111.94x = 27,630,675.42
5. Step 5: Solve for x
   x = 27,630,675.42/5,111.94
6. Step 6: Final answer
   x = 5,405.12