Finding the Fourth Proportional to 11,945.79, 17,921.58 and 3,625.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,945.79 : 17,921.58 = 3,625.32 : x
2. Step 2: Convert to fraction form
   11,945.79/17,921.58 = 3,625.32/x
3. Step 3: Cross multiply
   11,945.79x = 17,921.58 × 3,625.32
4. Step 4: Simplify right side
   11,945.79x = 64,971,516.02
5. Step 5: Solve for x
   x = 64,971,516.02/11,945.79
6. Step 6: Final answer
   x = 5,438.86