Finding the Fourth Proportional to 118,146, 163,051.15 and 67,174.73

Step by Step Solution

1. Step 1: Write the proportion equation
   118,146 : 163,051.15 = 67,174.73 : x
2. Step 2: Convert to fraction form
   118,146/163,051.15 = 67,174.73/x
3. Step 3: Cross multiply
   118,146x = 163,051.15 × 67,174.73
4. Step 4: Simplify right side
   118,146x = 10,952,916,162.18
5. Step 5: Solve for x
   x = 10,952,916,162.18/118,146
6. Step 6: Final answer
   x = 92,706.62