Finding the Fourth Proportional to 139.35, 192.32 and 116.00

Step by Step Solution

1. Step 1: Write the proportion equation
   139.35 : 192.32 = 116.00 : x
2. Step 2: Convert to fraction form
   139.35/192.32 = 116.00/x
3. Step 3: Cross multiply
   139.35x = 192.32 × 116.00
4. Step 4: Simplify right side
   139.35x = 22,309.89
5. Step 5: Solve for x
   x = 22,309.89/139.35
6. Step 6: Final answer
   x = 160.10