Finding the Fourth Proportional to 11,085.34, 15,293.18 and 7,730.14

Step by Step Solution

1. Step 1: Write the proportion equation
   11,085.34 : 15,293.18 = 7,730.14 : x
2. Step 2: Convert to fraction form
   11,085.34/15,293.18 = 7,730.14/x
3. Step 3: Cross multiply
   11,085.34x = 15,293.18 × 7,730.14
4. Step 4: Simplify right side
   11,085.34x = 118,218,422.45
5. Step 5: Solve for x
   x = 118,218,422.45/11,085.34
6. Step 6: Final answer
   x = 10,664.39