Finding the Fourth Proportional to 42,049.51, 63,063.52 and 12,460.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42,049.51 : 63,063.52 = 12,460.43 : x
2. Step 2: Convert to fraction form
   42,049.51/63,063.52 = 12,460.43/x
3. Step 3: Cross multiply
   42,049.51x = 63,063.52 × 12,460.43
4. Step 4: Simplify right side
   42,049.51x = 785,798,498.30
5. Step 5: Solve for x
   x = 785,798,498.30/42,049.51
6. Step 6: Final answer
   x = 18,687.46