Finding the Fourth Proportional to 87,081.39, 130,680.27 and 31,677.39

Step by Step Solution

1. Step 1: Write the proportion equation
   87,081.39 : 130,680.27 = 31,677.39 : x
2. Step 2: Convert to fraction form
   87,081.39/130,680.27 = 31,677.39/x
3. Step 3: Cross multiply
   87,081.39x = 130,680.27 × 31,677.39
4. Step 4: Simplify right side
   87,081.39x = 4,139,609,878.10
5. Step 5: Solve for x
   x = 4,139,609,878.10/87,081.39
6. Step 6: Final answer
   x = 47,537.25