Finding the Fourth Proportional to 7,196.58, 9,931.13 and 4,009.87

Step by Step Solution

1. Step 1: Write the proportion equation
   7,196.58 : 9,931.13 = 4,009.87 : x
2. Step 2: Convert to fraction form
   7,196.58/9,931.13 = 4,009.87/x
3. Step 3: Cross multiply
   7,196.58x = 9,931.13 × 4,009.87
4. Step 4: Simplify right side
   7,196.58x = 39,822,540.25
5. Step 5: Solve for x
   x = 39,822,540.25/7,196.58
6. Step 6: Final answer
   x = 5,533.54