Finding the Fourth Proportional to 3,715.32, 5,547.51 and 3,580.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,715.32 : 5,547.51 = 3,580.92 : x
2. Step 2: Convert to fraction form
   3,715.32/5,547.51 = 3,580.92/x
3. Step 3: Cross multiply
   3,715.32x = 5,547.51 × 3,580.92
4. Step 4: Simplify right side
   3,715.32x = 19,865,189.51
5. Step 5: Solve for x
   x = 19,865,189.51/3,715.32
6. Step 6: Final answer
   x = 5,346.83