Finding the Fourth Proportional to 224,003.92, 336,138.18 and 81,836.56

Step by Step Solution

1. Step 1: Write the proportion equation
   224,003.92 : 336,138.18 = 81,836.56 : x
2. Step 2: Convert to fraction form
   224,003.92/336,138.18 = 81,836.56/x
3. Step 3: Cross multiply
   224,003.92x = 336,138.18 × 81,836.56
4. Step 4: Simplify right side
   224,003.92x = 27,508,392,335.86
5. Step 5: Solve for x
   x = 27,508,392,335.86/224,003.92
6. Step 6: Final answer
   x = 122,803.17