Finding the Fourth Proportional to 13,392.76, 18,482.61 and 7,650.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,392.76 : 18,482.61 = 7,650.72 : x
2. Step 2: Convert to fraction form
   13,392.76/18,482.61 = 7,650.72/x
3. Step 3: Cross multiply
   13,392.76x = 18,482.61 × 7,650.72
4. Step 4: Simplify right side
   13,392.76x = 141,405,337.32
5. Step 5: Solve for x
   x = 141,405,337.32/13,392.76
6. Step 6: Final answer
   x = 10,558.34