Finding the Fourth Proportional to 42,215.07, 58,255.99 and 23,352.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,215.07 : 58,255.99 = 23,352.20 : x
2. Step 2: Convert to fraction form
   42,215.07/58,255.99 = 23,352.20/x
3. Step 3: Cross multiply
   42,215.07x = 58,255.99 × 23,352.20
4. Step 4: Simplify right side
   42,215.07x = 1,360,405,238.40
5. Step 5: Solve for x
   x = 1,360,405,238.40/42,215.07
6. Step 6: Final answer
   x = 32,225.58