Finding the Fourth Proportional to 42,144.66, 63,196.59 and 12,552.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,144.66 : 63,196.59 = 12,552.06 : x
2. Step 2: Convert to fraction form
   42,144.66/63,196.59 = 12,552.06/x
3. Step 3: Cross multiply
   42,144.66x = 63,196.59 × 12,552.06
4. Step 4: Simplify right side
   42,144.66x = 793,247,389.48
5. Step 5: Solve for x
   x = 793,247,389.48/42,144.66
6. Step 6: Final answer
   x = 18,822.01