Finding the Fourth Proportional to 42,466.20, 63,700.71 and 19,092.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,466.20 : 63,700.71 = 19,092.69 : x
2. Step 2: Convert to fraction form
   42,466.20/63,700.71 = 19,092.69/x
3. Step 3: Cross multiply
   42,466.20x = 63,700.71 × 19,092.69
4. Step 4: Simplify right side
   42,466.20x = 1,216,217,908.81
5. Step 5: Solve for x
   x = 1,216,217,908.81/42,466.20
6. Step 6: Final answer
   x = 28,639.67