Finding the Fourth Proportional to 59,401.49, 89,103.36 and 19,420.49

Step by Step Solution

1. Step 1: Write the proportion equation
   59,401.49 : 89,103.36 = 19,420.49 : x
2. Step 2: Convert to fraction form
   59,401.49/89,103.36 = 19,420.49/x
3. Step 3: Cross multiply
   59,401.49x = 89,103.36 × 19,420.49
4. Step 4: Simplify right side
   59,401.49x = 1,730,430,911.85
5. Step 5: Solve for x
   x = 1,730,430,911.85/59,401.49
6. Step 6: Final answer
   x = 29,131.10