Finding the Fourth Proportional to 117,997.76, 162,831.30 and 64,282.52

Step by Step Solution

1. Step 1: Write the proportion equation
   117,997.76 : 162,831.30 = 64,282.52 : x
2. Step 2: Convert to fraction form
   117,997.76/162,831.30 = 64,282.52/x
3. Step 3: Cross multiply
   117,997.76x = 162,831.30 × 64,282.52
4. Step 4: Simplify right side
   117,997.76x = 10,467,206,298.88
5. Step 5: Solve for x
   x = 10,467,206,298.88/117,997.76
6. Step 6: Final answer
   x = 88,706.82