Finding the Fourth Proportional to 11,085.51, 15,298.22 and 8,698.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,085.51 : 15,298.22 = 8,698.34 : x
2. Step 2: Convert to fraction form
   11,085.51/15,298.22 = 8,698.34/x
3. Step 3: Cross multiply
   11,085.51x = 15,298.22 × 8,698.34
4. Step 4: Simplify right side
   11,085.51x = 133,069,178.95
5. Step 5: Solve for x
   x = 133,069,178.95/11,085.51
6. Step 6: Final answer
   x = 12,003.88