Finding the Fourth Proportional to 73.42, 101.31 and 50.10

Step by Step Solution

1. Step 1: Write the proportion equation
   73.42 : 101.31 = 50.10 : x
2. Step 2: Convert to fraction form
   73.42/101.31 = 50.10/x
3. Step 3: Cross multiply
   73.42x = 101.31 × 50.10
4. Step 4: Simplify right side
   73.42x = 5,075.63
5. Step 5: Solve for x
   x = 5,075.63/73.42
6. Step 6: Final answer
   x = 69.13