Finding the Fourth Proportional to 42,037.51, 63,045.49 and 12,448.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,037.51 : 63,045.49 = 12,448.42 : x
2. Step 2: Convert to fraction form
   42,037.51/63,045.49 = 12,448.42/x
3. Step 3: Cross multiply
   42,037.51x = 63,045.49 × 12,448.42
4. Step 4: Simplify right side
   42,037.51x = 784,816,573.23
5. Step 5: Solve for x
   x = 784,816,573.23/42,037.51
6. Step 6: Final answer
   x = 18,669.44