Finding the Fourth Proportional to 42,064.12, 63,082.52 and 13,976.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,064.12 : 63,082.52 = 13,976.63 : x
2. Step 2: Convert to fraction form
   42,064.12/63,082.52 = 13,976.63/x
3. Step 3: Cross multiply
   42,064.12x = 63,082.52 × 13,976.63
4. Step 4: Simplify right side
   42,064.12x = 881,681,050.89
5. Step 5: Solve for x
   x = 881,681,050.89/42,064.12
6. Step 6: Final answer
   x = 20,960.41