Finding the Fourth Proportional to 42,045.22, 63,066 and 10,454.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,045.22 : 63,066 = 10,454.62 : x
2. Step 2: Convert to fraction form
   42,045.22/63,066 = 10,454.62/x
3. Step 3: Cross multiply
   42,045.22x = 63,066 × 10,454.62
4. Step 4: Simplify right side
   42,045.22x = 659,331,064.92
5. Step 5: Solve for x
   x = 659,331,064.92/42,045.22
6. Step 6: Final answer
   x = 15,681.47