Finding the Fourth Proportional to 42,026.67, 63,049.23 and 12,446.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,026.67 : 63,049.23 = 12,446.81 : x
2. Step 2: Convert to fraction form
   42,026.67/63,049.23 = 12,446.81/x
3. Step 3: Cross multiply
   42,026.67x = 63,049.23 × 12,446.81
4. Step 4: Simplify right side
   42,026.67x = 784,761,707.64
5. Step 5: Solve for x
   x = 784,761,707.64/42,026.67
6. Step 6: Final answer
   x = 18,672.95