Finding the Fourth Proportional to 11,445.61, 17,154.55 and 4,857.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,445.61 : 17,154.55 = 4,857.96 : x
2. Step 2: Convert to fraction form
   11,445.61/17,154.55 = 4,857.96/x
3. Step 3: Cross multiply
   11,445.61x = 17,154.55 × 4,857.96
4. Step 4: Simplify right side
   11,445.61x = 83,336,105.57
5. Step 5: Solve for x
   x = 83,336,105.57/11,445.61
6. Step 6: Final answer
   x = 7,281.06