Finding the Fourth Proportional to 117,745.76, 162,490.29 and 64,031.94

Step by Step Solution

1. Step 1: Write the proportion equation
   117,745.76 : 162,490.29 = 64,031.94 : x
2. Step 2: Convert to fraction form
   117,745.76/162,490.29 = 64,031.94/x
3. Step 3: Cross multiply
   117,745.76x = 162,490.29 × 64,031.94
4. Step 4: Simplify right side
   117,745.76x = 10,404,568,499.86
5. Step 5: Solve for x
   x = 10,404,568,499.86/117,745.76
6. Step 6: Final answer
   x = 88,364.70