Finding the Fourth Proportional to 5,612.42, 8,421.98 and 2,492.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,612.42 : 8,421.98 = 2,492.61 : x
2. Step 2: Convert to fraction form
   5,612.42/8,421.98 = 2,492.61/x
3. Step 3: Cross multiply
   5,612.42x = 8,421.98 × 2,492.61
4. Step 4: Simplify right side
   5,612.42x = 20,992,667.52
5. Step 5: Solve for x
   x = 20,992,667.52/5,612.42
6. Step 6: Final answer
   x = 3,740.39