Finding the Fourth Proportional to 42,078, 58,067.70 and 23,216.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,078 : 58,067.70 = 23,216.40 : x
2. Step 2: Convert to fraction form
   42,078/58,067.70 = 23,216.40/x
3. Step 3: Cross multiply
   42,078x = 58,067.70 × 23,216.40
4. Step 4: Simplify right side
   42,078x = 1,348,122,950.28
5. Step 5: Solve for x
   x = 1,348,122,950.28/42,078
6. Step 6: Final answer
   x = 32,038.67