Finding the Fourth Proportional to 112,270.32, 168,316.04 and 64,831.56

Step by Step Solution

1. Step 1: Write the proportion equation
   112,270.32 : 168,316.04 = 64,831.56 : x
2. Step 2: Convert to fraction form
   112,270.32/168,316.04 = 64,831.56/x
3. Step 3: Cross multiply
   112,270.32x = 168,316.04 × 64,831.56
4. Step 4: Simplify right side
   112,270.32x = 10,912,191,446.22
5. Step 5: Solve for x
   x = 10,912,191,446.22/112,270.32
6. Step 6: Final answer
   x = 97,195.69