Finding the Fourth Proportional to 42,241.22, 63,379.46 and 18,536.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,241.22 : 63,379.46 = 18,536.52 : x
2. Step 2: Convert to fraction form
   42,241.22/63,379.46 = 18,536.52/x
3. Step 3: Cross multiply
   42,241.22x = 63,379.46 × 18,536.52
4. Step 4: Simplify right side
   42,241.22x = 1,174,834,627.88
5. Step 5: Solve for x
   x = 1,174,834,627.88/42,241.22
6. Step 6: Final answer
   x = 27,812.52