Finding the Fourth Proportional to 42,720.96, 58,951.32 and 23,857.68

Step by Step Solution

1. Step 1: Write the proportion equation
   42,720.96 : 58,951.32 = 23,857.68 : x
2. Step 2: Convert to fraction form
   42,720.96/58,951.32 = 23,857.68/x
3. Step 3: Cross multiply
   42,720.96x = 58,951.32 × 23,857.68
4. Step 4: Simplify right side
   42,720.96x = 1,406,441,728.14
5. Step 5: Solve for x
   x = 1,406,441,728.14/42,720.96
6. Step 6: Final answer
   x = 32,921.59