Finding the Fourth Proportional to 10,384.72, 14,330.98 and 5,669.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,384.72 : 14,330.98 = 5,669.12 : x
2. Step 2: Convert to fraction form
   10,384.72/14,330.98 = 5,669.12/x
3. Step 3: Cross multiply
   10,384.72x = 14,330.98 × 5,669.12
4. Step 4: Simplify right side
   10,384.72x = 81,244,045.34
5. Step 5: Solve for x
   x = 81,244,045.34/10,384.72
6. Step 6: Final answer
   x = 7,823.42