Finding the Fourth Proportional to 13,597.35, 18,764.06 and 7,630.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,597.35 : 18,764.06 = 7,630.47 : x
2. Step 2: Convert to fraction form
   13,597.35/18,764.06 = 7,630.47/x
3. Step 3: Cross multiply
   13,597.35x = 18,764.06 × 7,630.47
4. Step 4: Simplify right side
   13,597.35x = 143,178,558.76
5. Step 5: Solve for x
   x = 143,178,558.76/13,597.35
6. Step 6: Final answer
   x = 10,529.89