Finding the Fourth Proportional to 19,943.42, 29,912.90 and 5,152.41

Step by Step Solution

1. Step 1: Write the proportion equation
   19,943.42 : 29,912.90 = 5,152.41 : x
2. Step 2: Convert to fraction form
   19,943.42/29,912.90 = 5,152.41/x
3. Step 3: Cross multiply
   19,943.42x = 29,912.90 × 5,152.41
4. Step 4: Simplify right side
   19,943.42x = 154,123,499.33
5. Step 5: Solve for x
   x = 154,123,499.33/19,943.42
6. Step 6: Final answer
   x = 7,728.04