Finding the Fourth Proportional to 53.69, 74.00 and 42.03

Step by Step Solution

1. Step 1: Write the proportion equation
   53.69 : 74.00 = 42.03 : x
2. Step 2: Convert to fraction form
   53.69/74.00 = 42.03/x
3. Step 3: Cross multiply
   53.69x = 74.00 × 42.03
4. Step 4: Simplify right side
   53.69x = 3,110.01
5. Step 5: Solve for x
   x = 3,110.01/53.69
6. Step 6: Final answer
   x = 57.93