Finding the Fourth Proportional to 100.88, 151.32 and 46.72

Step by Step Solution

1. Step 1: Write the proportion equation
   100.88 : 151.32 = 46.72 : x
2. Step 2: Convert to fraction form
   100.88/151.32 = 46.72/x
3. Step 3: Cross multiply
   100.88x = 151.32 × 46.72
4. Step 4: Simplify right side
   100.88x = 7,069.67
5. Step 5: Solve for x
   x = 7,069.67/100.88
6. Step 6: Final answer
   x = 70.08