Finding the Fourth Proportional to 100.46, 151.34 and 92.00

Step by Step Solution

1. Step 1: Write the proportion equation
   100.46 : 151.34 = 92.00 : x
2. Step 2: Convert to fraction form
   100.46/151.34 = 92.00/x
3. Step 3: Cross multiply
   100.46x = 151.34 × 92.00
4. Step 4: Simplify right side
   100.46x = 13,922.06
5. Step 5: Solve for x
   x = 13,922.06/100.46
6. Step 6: Final answer
   x = 138.59