Finding the Fourth Proportional to 11,418.52, 17,118.46 and 5,088.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,418.52 : 17,118.46 = 5,088.76 : x
2. Step 2: Convert to fraction form
   11,418.52/17,118.46 = 5,088.76/x
3. Step 3: Cross multiply
   11,418.52x = 17,118.46 × 5,088.76
4. Step 4: Simplify right side
   11,418.52x = 87,111,734.51
5. Step 5: Solve for x
   x = 87,111,734.51/11,418.52
6. Step 6: Final answer
   x = 7,628.99