Finding the Fourth Proportional to 59,404.94, 89,099.97 and 19,420.57

Step by Step Solution

1. Step 1: Write the proportion equation
   59,404.94 : 89,099.97 = 19,420.57 : x
2. Step 2: Convert to fraction form
   59,404.94/89,099.97 = 19,420.57/x
3. Step 3: Cross multiply
   59,404.94x = 89,099.97 × 19,420.57
4. Step 4: Simplify right side
   59,404.94x = 1,730,372,204.38
5. Step 5: Solve for x
   x = 1,730,372,204.38/59,404.94
6. Step 6: Final answer
   x = 29,128.42