Finding the Fourth Proportional to 160,084.06, 240,117.42 and 81,196.24

Step by Step Solution

1. Step 1: Write the proportion equation
   160,084.06 : 240,117.42 = 81,196.24 : x
2. Step 2: Convert to fraction form
   160,084.06/240,117.42 = 81,196.24/x
3. Step 3: Cross multiply
   160,084.06x = 240,117.42 × 81,196.24
4. Step 4: Simplify right side
   160,084.06x = 19,496,631,662.50
5. Step 5: Solve for x
   x = 19,496,631,662.50/160,084.06
6. Step 6: Final answer
   x = 121,789.96