Finding the Fourth Proportional to 10,036.72, 13,851.69 and 5,787.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,036.72 : 13,851.69 = 5,787.94 : x
2. Step 2: Convert to fraction form
   10,036.72/13,851.69 = 5,787.94/x
3. Step 3: Cross multiply
   10,036.72x = 13,851.69 × 5,787.94
4. Step 4: Simplify right side
   10,036.72x = 80,172,681.36
5. Step 5: Solve for x
   x = 80,172,681.36/10,036.72
6. Step 6: Final answer
   x = 7,987.94