Finding the Fourth Proportional to 5,667.80, 7,813.34 and 4,093.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.80 : 7,813.34 = 4,093.40 : x
2. Step 2: Convert to fraction form
   5,667.80/7,813.34 = 4,093.40/x
3. Step 3: Cross multiply
   5,667.80x = 7,813.34 × 4,093.40
4. Step 4: Simplify right side
   5,667.80x = 31,983,125.96
5. Step 5: Solve for x
   x = 31,983,125.96/5,667.80
6. Step 6: Final answer
   x = 5,642.95