Finding the Fourth Proportional to 16,767.72, 25,155.47 and 4,921.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,767.72 : 25,155.47 = 4,921.01 : x
2. Step 2: Convert to fraction form
   16,767.72/25,155.47 = 4,921.01/x
3. Step 3: Cross multiply
   16,767.72x = 25,155.47 × 4,921.01
4. Step 4: Simplify right side
   16,767.72x = 123,790,319.42
5. Step 5: Solve for x
   x = 123,790,319.42/16,767.72
6. Step 6: Final answer
   x = 7,382.66