Finding the Fourth Proportional to 42,688.69, 58,913.63 and 23,572.11

Step by Step Solution

1. Step 1: Write the proportion equation
   42,688.69 : 58,913.63 = 23,572.11 : x
2. Step 2: Convert to fraction form
   42,688.69/58,913.63 = 23,572.11/x
3. Step 3: Cross multiply
   42,688.69x = 58,913.63 × 23,572.11
4. Step 4: Simplify right side
   42,688.69x = 1,388,718,566.86
5. Step 5: Solve for x
   x = 1,388,718,566.86/42,688.69
6. Step 6: Final answer
   x = 32,531.30