Finding the Fourth Proportional to 11,597.92, 17,381.52 and 5,428.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,597.92 : 17,381.52 = 5,428.96 : x
2. Step 2: Convert to fraction form
   11,597.92/17,381.52 = 5,428.96/x
3. Step 3: Cross multiply
   11,597.92x = 17,381.52 × 5,428.96
4. Step 4: Simplify right side
   11,597.92x = 94,363,576.82
5. Step 5: Solve for x
   x = 94,363,576.82/11,597.92
6. Step 6: Final answer
   x = 8,136.25