Finding the Fourth Proportional to 118,276.50, 163,228.23 and 67,978.74

Step by Step Solution

1. Step 1: Write the proportion equation
   118,276.50 : 163,228.23 = 67,978.74 : x
2. Step 2: Convert to fraction form
   118,276.50/163,228.23 = 67,978.74/x
3. Step 3: Cross multiply
   118,276.50x = 163,228.23 × 67,978.74
4. Step 4: Simplify right side
   118,276.50x = 11,096,049,407.83
5. Step 5: Solve for x
   x = 11,096,049,407.83/118,276.50
6. Step 6: Final answer
   x = 93,814.49