Finding the Fourth Proportional to 42,189.51, 63,315.41 and 20,002.97

Step by Step Solution

1. Step 1: Write the proportion equation
   42,189.51 : 63,315.41 = 20,002.97 : x
2. Step 2: Convert to fraction form
   42,189.51/63,315.41 = 20,002.97/x
3. Step 3: Cross multiply
   42,189.51x = 63,315.41 × 20,002.97
4. Step 4: Simplify right side
   42,189.51x = 1,266,495,948.89
5. Step 5: Solve for x
   x = 1,266,495,948.89/42,189.51
6. Step 6: Final answer
   x = 30,019.22