Finding the Fourth Proportional to 42,691.62, 58,913.80 and 23,571.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,691.62 : 58,913.80 = 23,571.62 : x
2. Step 2: Convert to fraction form
   42,691.62/58,913.80 = 23,571.62/x
3. Step 3: Cross multiply
   42,691.62x = 58,913.80 × 23,571.62
4. Step 4: Simplify right side
   42,691.62x = 1,388,693,588.50
5. Step 5: Solve for x
   x = 1,388,693,588.50/42,691.62
6. Step 6: Final answer
   x = 32,528.48