Finding the Fourth Proportional to 9,360.47, 12,916.17 and 5,583.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,360.47 : 12,916.17 = 5,583.32 : x
2. Step 2: Convert to fraction form
   9,360.47/12,916.17 = 5,583.32/x
3. Step 3: Cross multiply
   9,360.47x = 12,916.17 × 5,583.32
4. Step 4: Simplify right side
   9,360.47x = 72,115,110.28
5. Step 5: Solve for x
   x = 72,115,110.28/9,360.47
6. Step 6: Final answer
   x = 7,704.22