Finding the Fourth Proportional to 12,072.32, 16,665.25 and 7,602.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,072.32 : 16,665.25 = 7,602.63 : x
2. Step 2: Convert to fraction form
   12,072.32/16,665.25 = 7,602.63/x
3. Step 3: Cross multiply
   12,072.32x = 16,665.25 × 7,602.63
4. Step 4: Simplify right side
   12,072.32x = 126,699,729.61
5. Step 5: Solve for x
   x = 126,699,729.61/12,072.32
6. Step 6: Final answer
   x = 10,495.06