Finding the Fourth Proportional to 42,054.77, 63,082.38 and 12,472.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,054.77 : 63,082.38 = 12,472.82 : x
2. Step 2: Convert to fraction form
   42,054.77/63,082.38 = 12,472.82/x
3. Step 3: Cross multiply
   42,054.77x = 63,082.38 × 12,472.82
4. Step 4: Simplify right side
   42,054.77x = 786,815,170.91
5. Step 5: Solve for x
   x = 786,815,170.91/42,054.77
6. Step 6: Final answer
   x = 18,709.30