Finding the Fourth Proportional to 72.34, 108.55 and 29.00

Step by Step Solution

1. Step 1: Write the proportion equation
   72.34 : 108.55 = 29.00 : x
2. Step 2: Convert to fraction form
   72.34/108.55 = 29.00/x
3. Step 3: Cross multiply
   72.34x = 108.55 × 29.00
4. Step 4: Simplify right side
   72.34x = 3,147.35
5. Step 5: Solve for x
   x = 3,147.35/72.34
6. Step 6: Final answer
   x = 43.51