Finding the Fourth Proportional to 5,710.38, 7,878.51 and 3,941.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,710.38 : 7,878.51 = 3,941.34 : x
2. Step 2: Convert to fraction form
   5,710.38/7,878.51 = 3,941.34/x
3. Step 3: Cross multiply
   5,710.38x = 7,878.51 × 3,941.34
4. Step 4: Simplify right side
   5,710.38x = 31,051,886.60
5. Step 5: Solve for x
   x = 31,051,886.60/5,710.38
6. Step 6: Final answer
   x = 5,437.80