Finding the Fourth Proportional to 42,707.28, 58,930.56 and 23,845.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,707.28 : 58,930.56 = 23,845.20 : x
2. Step 2: Convert to fraction form
   42,707.28/58,930.56 = 23,845.20/x
3. Step 3: Cross multiply
   42,707.28x = 58,930.56 × 23,845.20
4. Step 4: Simplify right side
   42,707.28x = 1,405,210,989.31
5. Step 5: Solve for x
   x = 1,405,210,989.31/42,707.28
6. Step 6: Final answer
   x = 32,903.31