Finding the Fourth Proportional to 42,276.06, 58,340.24 and 23,412.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,276.06 : 58,340.24 = 23,412.78 : x
2. Step 2: Convert to fraction form
   42,276.06/58,340.24 = 23,412.78/x
3. Step 3: Cross multiply
   42,276.06x = 58,340.24 × 23,412.78
4. Step 4: Simplify right side
   42,276.06x = 1,365,907,087.20
5. Step 5: Solve for x
   x = 1,365,907,087.20/42,276.06
6. Step 6: Final answer
   x = 32,309.23