Finding the Fourth Proportional to 118,985.47, 164,198.42 and 67,997.62

Step by Step Solution

1. Step 1: Write the proportion equation
   118,985.47 : 164,198.42 = 67,997.62 : x
2. Step 2: Convert to fraction form
   118,985.47/164,198.42 = 67,997.62/x
3. Step 3: Cross multiply
   118,985.47x = 164,198.42 × 67,997.62
4. Step 4: Simplify right side
   118,985.47x = 11,165,100,606.78
5. Step 5: Solve for x
   x = 11,165,100,606.78/118,985.47
6. Step 6: Final answer
   x = 93,835.83