Finding the Fourth Proportional to 19,943.91, 29,915.85 and 5,152.89

Step by Step Solution

1. Step 1: Write the proportion equation
   19,943.91 : 29,915.85 = 5,152.89 : x
2. Step 2: Convert to fraction form
   19,943.91/29,915.85 = 5,152.89/x
3. Step 3: Cross multiply
   19,943.91x = 29,915.85 × 5,152.89
4. Step 4: Simplify right side
   19,943.91x = 154,153,084.31
5. Step 5: Solve for x
   x = 154,153,084.31/19,943.91
6. Step 6: Final answer
   x = 7,729.33