Finding the Fourth Proportional to 64.71, 89.33 and 42.93

Step by Step Solution

1. Step 1: Write the proportion equation
   64.71 : 89.33 = 42.93 : x
2. Step 2: Convert to fraction form
   64.71/89.33 = 42.93/x
3. Step 3: Cross multiply
   64.71x = 89.33 × 42.93
4. Step 4: Simplify right side
   64.71x = 3,834.72
5. Step 5: Solve for x
   x = 3,834.72/64.71
6. Step 6: Final answer
   x = 59.26