Finding the Fourth Proportional to 42,691.57, 58,913.68 and 23,573.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,691.57 : 58,913.68 = 23,573.32 : x
2. Step 2: Convert to fraction form
   42,691.57/58,913.68 = 23,573.32/x
3. Step 3: Cross multiply
   42,691.57x = 58,913.68 × 23,573.32
4. Step 4: Simplify right side
   42,691.57x = 1,388,790,786.15
5. Step 5: Solve for x
   x = 1,388,790,786.15/42,691.57
6. Step 6: Final answer
   x = 32,530.80