Finding the Fourth Proportional to 13,551.94, 18,701.72 and 7,583.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,551.94 : 18,701.72 = 7,583.63 : x
2. Step 2: Convert to fraction form
   13,551.94/18,701.72 = 7,583.63/x
3. Step 3: Cross multiply
   13,551.94x = 18,701.72 × 7,583.63
4. Step 4: Simplify right side
   13,551.94x = 141,826,821.86
5. Step 5: Solve for x
   x = 141,826,821.86/13,551.94
6. Step 6: Final answer
   x = 10,465.42