Finding the Fourth Proportional to 118,146.10, 163,051.31 and 67,174.82

Step by Step Solution

1. Step 1: Write the proportion equation
   118,146.10 : 163,051.31 = 67,174.82 : x
2. Step 2: Convert to fraction form
   118,146.10/163,051.31 = 67,174.82/x
3. Step 3: Cross multiply
   118,146.10x = 163,051.31 × 67,174.82
4. Step 4: Simplify right side
   118,146.10x = 10,952,942,471.77
5. Step 5: Solve for x
   x = 10,952,942,471.77/118,146.10
6. Step 6: Final answer
   x = 92,706.76