Finding the Fourth Proportional to 100.83, 150.56 and 100.26

Step by Step Solution

1. Step 1: Write the proportion equation
   100.83 : 150.56 = 100.26 : x
2. Step 2: Convert to fraction form
   100.83/150.56 = 100.26/x
3. Step 3: Cross multiply
   100.83x = 150.56 × 100.26
4. Step 4: Simplify right side
   100.83x = 15,094.64
5. Step 5: Solve for x
   x = 15,094.64/100.83
6. Step 6: Final answer
   x = 149.70