Finding the Fourth Proportional to 42,048.94, 63,085.56 and 12,467.44

Step by Step Solution

1. Step 1: Write the proportion equation
   42,048.94 : 63,085.56 = 12,467.44 : x
2. Step 2: Convert to fraction form
   42,048.94/63,085.56 = 12,467.44/x
3. Step 3: Cross multiply
   42,048.94x = 63,085.56 × 12,467.44
4. Step 4: Simplify right side
   42,048.94x = 786,515,434.17
5. Step 5: Solve for x
   x = 786,515,434.17/42,048.94
6. Step 6: Final answer
   x = 18,704.76