Finding the Fourth Proportional to 11,820.17, 17,734.34 and 5,250.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,820.17 : 17,734.34 = 5,250.96 : x
2. Step 2: Convert to fraction form
   11,820.17/17,734.34 = 5,250.96/x
3. Step 3: Cross multiply
   11,820.17x = 17,734.34 × 5,250.96
4. Step 4: Simplify right side
   11,820.17x = 93,122,323.09
5. Step 5: Solve for x
   x = 93,122,323.09/11,820.17
6. Step 6: Final answer
   x = 7,878.25