Finding the Fourth Proportional to 10,699.06, 16,043.99 and 3,679.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,699.06 : 16,043.99 = 3,679.78 : x
2. Step 2: Convert to fraction form
   10,699.06/16,043.99 = 3,679.78/x
3. Step 3: Cross multiply
   10,699.06x = 16,043.99 × 3,679.78
4. Step 4: Simplify right side
   10,699.06x = 59,038,353.52
5. Step 5: Solve for x
   x = 59,038,353.52/10,699.06
6. Step 6: Final answer
   x = 5,518.09