Finding the Fourth Proportional to 117,404.72, 162,018.83 and 63,689.74

Step by Step Solution

1. Step 1: Write the proportion equation
   117,404.72 : 162,018.83 = 63,689.74 : x
2. Step 2: Convert to fraction form
   117,404.72/162,018.83 = 63,689.74/x
3. Step 3: Cross multiply
   117,404.72x = 162,018.83 × 63,689.74
4. Step 4: Simplify right side
   117,404.72x = 10,318,936,871.13
5. Step 5: Solve for x
   x = 10,318,936,871.13/117,404.72
6. Step 6: Final answer
   x = 87,892.01