Finding the Fourth Proportional to 87,997.82, 131,938.41 and 31,830.54

Step by Step Solution

1. Step 1: Write the proportion equation
   87,997.82 : 131,938.41 = 31,830.54 : x
2. Step 2: Convert to fraction form
   87,997.82/131,938.41 = 31,830.54/x
3. Step 3: Cross multiply
   87,997.82x = 131,938.41 × 31,830.54
4. Step 4: Simplify right side
   87,997.82x = 4,199,670,837.04
5. Step 5: Solve for x
   x = 4,199,670,837.04/87,997.82
6. Step 6: Final answer
   x = 47,724.72