Finding the Fourth Proportional to 42,553.09, 58,720.98 and 23,689

Step by Step Solution

1. Step 1: Write the proportion equation
   42,553.09 : 58,720.98 = 23,689 : x
2. Step 2: Convert to fraction form
   42,553.09/58,720.98 = 23,689/x
3. Step 3: Cross multiply
   42,553.09x = 58,720.98 × 23,689
4. Step 4: Simplify right side
   42,553.09x = 1,391,041,295.22
5. Step 5: Solve for x
   x = 1,391,041,295.22/42,553.09
6. Step 6: Final answer
   x = 32,689.55