Finding the Fourth Proportional to 87,105.30, 130,807 and 53,568.22

Step by Step Solution

1. Step 1: Write the proportion equation
   87,105.30 : 130,807 = 53,568.22 : x
2. Step 2: Convert to fraction form
   87,105.30/130,807 = 53,568.22/x
3. Step 3: Cross multiply
   87,105.30x = 130,807 × 53,568.22
4. Step 4: Simplify right side
   87,105.30x = 7,007,098,153.54
5. Step 5: Solve for x
   x = 7,007,098,153.54/87,105.30
6. Step 6: Final answer
   x = 80,443.99