Finding the Fourth Proportional to 10,006.74, 13,809.83 and 5,758.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,006.74 : 13,809.83 = 5,758.45 : x
2. Step 2: Convert to fraction form
   10,006.74/13,809.83 = 5,758.45/x
3. Step 3: Cross multiply
   10,006.74x = 13,809.83 × 5,758.45
4. Step 4: Simplify right side
   10,006.74x = 79,523,215.56
5. Step 5: Solve for x
   x = 79,523,215.56/10,006.74
6. Step 6: Final answer
   x = 7,946.97