Finding the Fourth Proportional to 11,948.72, 17,925.91 and 3,629.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,948.72 : 17,925.91 = 3,629.21 : x
2. Step 2: Convert to fraction form
   11,948.72/17,925.91 = 3,629.21/x
3. Step 3: Cross multiply
   11,948.72x = 17,925.91 × 3,629.21
4. Step 4: Simplify right side
   11,948.72x = 65,056,793.13
5. Step 5: Solve for x
   x = 65,056,793.13/11,948.72
6. Step 6: Final answer
   x = 5,444.67