Finding the Fourth Proportional to 10,040.98, 13,856.59 and 5,564.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,040.98 : 13,856.59 = 5,564.81 : x
2. Step 2: Convert to fraction form
   10,040.98/13,856.59 = 5,564.81/x
3. Step 3: Cross multiply
   10,040.98x = 13,856.59 × 5,564.81
4. Step 4: Simplify right side
   10,040.98x = 77,109,193.49
5. Step 5: Solve for x
   x = 77,109,193.49/10,040.98
6. Step 6: Final answer
   x = 7,679.45