Finding the Fourth Proportional to 5,667.48, 8,492.55 and 2,378.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.48 : 8,492.55 = 2,378.78 : x
2. Step 2: Convert to fraction form
   5,667.48/8,492.55 = 2,378.78/x
3. Step 3: Cross multiply
   5,667.48x = 8,492.55 × 2,378.78
4. Step 4: Simplify right side
   5,667.48x = 20,201,865.63
5. Step 5: Solve for x
   x = 20,201,865.63/5,667.48
6. Step 6: Final answer
   x = 3,564.52