Finding the Fourth Proportional to 12,164.04, 16,788.60 and 7,385.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164.04 : 16,788.60 = 7,385.04 : x
2. Step 2: Convert to fraction form
   12,164.04/16,788.60 = 7,385.04/x
3. Step 3: Cross multiply
   12,164.04x = 16,788.60 × 7,385.04
4. Step 4: Simplify right side
   12,164.04x = 123,984,482.54
5. Step 5: Solve for x
   x = 123,984,482.54/12,164.04
6. Step 6: Final answer
   x = 10,192.71