Finding the Fourth Proportional to 71.61, 107.34 and 37.29

Step by Step Solution

1. Step 1: Write the proportion equation
   71.61 : 107.34 = 37.29 : x
2. Step 2: Convert to fraction form
   71.61/107.34 = 37.29/x
3. Step 3: Cross multiply
   71.61x = 107.34 × 37.29
4. Step 4: Simplify right side
   71.61x = 4,002.71
5. Step 5: Solve for x
   x = 4,002.71/71.61
6. Step 6: Final answer
   x = 55.90