Finding the Fourth Proportional to 151.88, 209.72 and 113.00

Step by Step Solution

1. Step 1: Write the proportion equation
   151.88 : 209.72 = 113.00 : x
2. Step 2: Convert to fraction form
   151.88/209.72 = 113.00/x
3. Step 3: Cross multiply
   151.88x = 209.72 × 113.00
4. Step 4: Simplify right side
   151.88x = 23,697.59
5. Step 5: Solve for x
   x = 23,697.59/151.88
6. Step 6: Final answer
   x = 156.03