Finding the Fourth Proportional to 87,951, 131,443.65 and 64,308.30

Step by Step Solution

1. Step 1: Write the proportion equation
   87,951 : 131,443.65 = 64,308.30 : x
2. Step 2: Convert to fraction form
   87,951/131,443.65 = 64,308.30/x
3. Step 3: Cross multiply
   87,951x = 131,443.65 × 64,308.30
4. Step 4: Simplify right side
   87,951x = 8,452,917,677.30
5. Step 5: Solve for x
   x = 8,452,917,677.30/87,951
6. Step 6: Final answer
   x = 96,109.40