Finding the Fourth Proportional to 118,256.72, 163,187.76 and 67,262.56

Step by Step Solution

1. Step 1: Write the proportion equation
   118,256.72 : 163,187.76 = 67,262.56 : x
2. Step 2: Convert to fraction form
   118,256.72/163,187.76 = 67,262.56/x
3. Step 3: Cross multiply
   118,256.72x = 163,187.76 × 67,262.56
4. Step 4: Simplify right side
   118,256.72x = 10,976,426,498.27
5. Step 5: Solve for x
   x = 10,976,426,498.27/118,256.72
6. Step 6: Final answer
   x = 92,818.63