Finding the Fourth Proportional to 11,392.56, 17,085.48 and 4,818.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,392.56 : 17,085.48 = 4,818.60 : x
2. Step 2: Convert to fraction form
   11,392.56/17,085.48 = 4,818.60/x
3. Step 3: Cross multiply
   11,392.56x = 17,085.48 × 4,818.60
4. Step 4: Simplify right side
   11,392.56x = 82,328,093.93
5. Step 5: Solve for x
   x = 82,328,093.93/11,392.56
6. Step 6: Final answer
   x = 7,226.48