Finding the Fourth Proportional to 118,849.50, 164,012.31 and 71,104.86

Step by Step Solution

1. Step 1: Write the proportion equation
   118,849.50 : 164,012.31 = 71,104.86 : x
2. Step 2: Convert to fraction form
   118,849.50/164,012.31 = 71,104.86/x
3. Step 3: Cross multiply
   118,849.50x = 164,012.31 × 71,104.86
4. Step 4: Simplify right side
   118,849.50x = 11,662,072,340.83
5. Step 5: Solve for x
   x = 11,662,072,340.83/118,849.50
6. Step 6: Final answer
   x = 98,124.71