Finding the Fourth Proportional to 15,476.84, 23,196.22 and 7,145.58

Step by Step Solution

1. Step 1: Write the proportion equation
   15,476.84 : 23,196.22 = 7,145.58 : x
2. Step 2: Convert to fraction form
   15,476.84/23,196.22 = 7,145.58/x
3. Step 3: Cross multiply
   15,476.84x = 23,196.22 × 7,145.58
4. Step 4: Simplify right side
   15,476.84x = 165,750,445.71
5. Step 5: Solve for x
   x = 165,750,445.71/15,476.84
6. Step 6: Final answer
   x = 10,709.58