Finding the Fourth Proportional to 42,014.16, 63,030.96 and 18,642.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,014.16 : 63,030.96 = 18,642.42 : x
2. Step 2: Convert to fraction form
   42,014.16/63,030.96 = 18,642.42/x
3. Step 3: Cross multiply
   42,014.16x = 63,030.96 × 18,642.42
4. Step 4: Simplify right side
   42,014.16x = 1,175,049,629.32
5. Step 5: Solve for x
   x = 1,175,049,629.32/42,014.16
6. Step 6: Final answer
   x = 27,967.94