Finding the Fourth Proportional to 17,742.84, 26,609.72 and 5,259.95

Step by Step Solution

1. Step 1: Write the proportion equation
   17,742.84 : 26,609.72 = 5,259.95 : x
2. Step 2: Convert to fraction form
   17,742.84/26,609.72 = 5,259.95/x
3. Step 3: Cross multiply
   17,742.84x = 26,609.72 × 5,259.95
4. Step 4: Simplify right side
   17,742.84x = 139,965,650.52
5. Step 5: Solve for x
   x = 139,965,650.52/17,742.84
6. Step 6: Final answer
   x = 7,888.57