Finding the Fourth Proportional to 13,645.52, 18,830.84 and 7,677.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,645.52 : 18,830.84 = 7,677.52 : x
2. Step 2: Convert to fraction form
   13,645.52/18,830.84 = 7,677.52/x
3. Step 3: Cross multiply
   13,645.52x = 18,830.84 × 7,677.52
4. Step 4: Simplify right side
   13,645.52x = 144,574,150.72
5. Step 5: Solve for x
   x = 144,574,150.72/13,645.52
6. Step 6: Final answer
   x = 10,594.99