Finding the Fourth Proportional to 87,109.82, 130,677.72 and 30,945.24

Step by Step Solution

1. Step 1: Write the proportion equation
   87,109.82 : 130,677.72 = 30,945.24 : x
2. Step 2: Convert to fraction form
   87,109.82/130,677.72 = 30,945.24/x
3. Step 3: Cross multiply
   87,109.82x = 130,677.72 × 30,945.24
4. Step 4: Simplify right side
   87,109.82x = 4,043,853,408.05
5. Step 5: Solve for x
   x = 4,043,853,408.05/87,109.82
6. Step 6: Final answer
   x = 46,422.47