Finding the Fourth Proportional to 42,134.50, 63,212.15 and 12,552.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,134.50 : 63,212.15 = 12,552.22 : x
2. Step 2: Convert to fraction form
   42,134.50/63,212.15 = 12,552.22/x
3. Step 3: Cross multiply
   42,134.50x = 63,212.15 × 12,552.22
4. Step 4: Simplify right side
   42,134.50x = 793,452,813.47
5. Step 5: Solve for x
   x = 793,452,813.47/42,134.50
6. Step 6: Final answer
   x = 18,831.43