Finding the Fourth Proportional to 11,580.17, 17,354.87 and 5,250.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,580.17 : 17,354.87 = 5,250.34 : x
2. Step 2: Convert to fraction form
   11,580.17/17,354.87 = 5,250.34/x
3. Step 3: Cross multiply
   11,580.17x = 17,354.87 × 5,250.34
4. Step 4: Simplify right side
   11,580.17x = 91,118,929.66
5. Step 5: Solve for x
   x = 91,118,929.66/11,580.17
6. Step 6: Final answer
   x = 7,868.53