Finding the Fourth Proportional to 42,007.42, 63,025.71 and 28,023.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,007.42 : 63,025.71 = 28,023.58 : x
2. Step 2: Convert to fraction form
   42,007.42/63,025.71 = 28,023.58/x
3. Step 3: Cross multiply
   42,007.42x = 63,025.71 × 28,023.58
4. Step 4: Simplify right side
   42,007.42x = 1,766,206,026.24
5. Step 5: Solve for x
   x = 1,766,206,026.24/42,007.42
6. Step 6: Final answer
   x = 42,045.10