Finding the Fourth Proportional to 87,667.26, 131,468.58 and 31,492.28

Step by Step Solution

1. Step 1: Write the proportion equation
   87,667.26 : 131,468.58 = 31,492.28 : x
2. Step 2: Convert to fraction form
   87,667.26/131,468.58 = 31,492.28/x
3. Step 3: Cross multiply
   87,667.26x = 131,468.58 × 31,492.28
4. Step 4: Simplify right side
   87,667.26x = 4,140,244,675.22
5. Step 5: Solve for x
   x = 4,140,244,675.22/87,667.26
6. Step 6: Final answer
   x = 47,226.81