Finding the Fourth Proportional to 42,509.31, 58,662.59 and 23,390.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,509.31 : 58,662.59 = 23,390.25 : x
2. Step 2: Convert to fraction form
   42,509.31/58,662.59 = 23,390.25/x
3. Step 3: Cross multiply
   42,509.31x = 58,662.59 × 23,390.25
4. Step 4: Simplify right side
   42,509.31x = 1,372,132,528.80
5. Step 5: Solve for x
   x = 1,372,132,528.80/42,509.31
6. Step 6: Final answer
   x = 32,278.40