Finding the Fourth Proportional to 118,760.25, 163,887.50 and 67,789.15

Step by Step Solution

1. Step 1: Write the proportion equation
   118,760.25 : 163,887.50 = 67,789.15 : x
2. Step 2: Convert to fraction form
   118,760.25/163,887.50 = 67,789.15/x
3. Step 3: Cross multiply
   118,760.25x = 163,887.50 × 67,789.15
4. Step 4: Simplify right side
   118,760.25x = 11,109,793,571.96
5. Step 5: Solve for x
   x = 11,109,793,571.96/118,760.25
6. Step 6: Final answer
   x = 93,548.08