Finding the Fourth Proportional to 22,978.45, 34,496.84 and 19,537.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,978.45 : 34,496.84 = 19,537.57 : x
2. Step 2: Convert to fraction form
   22,978.45/34,496.84 = 19,537.57/x
3. Step 3: Cross multiply
   22,978.45x = 34,496.84 × 19,537.57
4. Step 4: Simplify right side
   22,978.45x = 673,984,408.34
5. Step 5: Solve for x
   x = 673,984,408.34/22,978.45
6. Step 6: Final answer
   x = 29,331.15