Finding the Fourth Proportional to 42,688, 58,912.28 and 23,825.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,688 : 58,912.28 = 23,825.53 : x
2. Step 2: Convert to fraction form
   42,688/58,912.28 = 23,825.53/x
3. Step 3: Cross multiply
   42,688x = 58,912.28 × 23,825.53
4. Step 4: Simplify right side
   42,688x = 1,403,616,294.51
5. Step 5: Solve for x
   x = 1,403,616,294.51/42,688
6. Step 6: Final answer
   x = 32,880.82