Finding the Fourth Proportional to 10,164.69, 15,234.28 and 5,484.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,164.69 : 15,234.28 = 5,484.51 : x
2. Step 2: Convert to fraction form
   10,164.69/15,234.28 = 5,484.51/x
3. Step 3: Cross multiply
   10,164.69x = 15,234.28 × 5,484.51
4. Step 4: Simplify right side
   10,164.69x = 83,552,547.29
5. Step 5: Solve for x
   x = 83,552,547.29/10,164.69
6. Step 6: Final answer
   x = 8,219.88