Finding the Fourth Proportional to 42,024.42, 63,045.86 and 12,444.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,024.42 : 63,045.86 = 12,444.56 : x
2. Step 2: Convert to fraction form
   42,024.42/63,045.86 = 12,444.56/x
3. Step 3: Cross multiply
   42,024.42x = 63,045.86 × 12,444.56
4. Step 4: Simplify right side
   42,024.42x = 784,577,846.49
5. Step 5: Solve for x
   x = 784,577,846.49/42,024.42
6. Step 6: Final answer
   x = 18,669.57