Finding the Fourth Proportional to 118,141.86, 163,032.12 and 67,160.16

Step by Step Solution

1. Step 1: Write the proportion equation
   118,141.86 : 163,032.12 = 67,160.16 : x
2. Step 2: Convert to fraction form
   118,141.86/163,032.12 = 67,160.16/x
3. Step 3: Cross multiply
   118,141.86x = 163,032.12 × 67,160.16
4. Step 4: Simplify right side
   118,141.86x = 10,949,263,264.34
5. Step 5: Solve for x
   x = 10,949,263,264.34/118,141.86
6. Step 6: Final answer
   x = 92,678.95