Finding the Fourth Proportional to 12,663.69, 17,438.13 and 10,002.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,663.69 : 17,438.13 = 10,002.84 : x
2. Step 2: Convert to fraction form
   12,663.69/17,438.13 = 10,002.84/x
3. Step 3: Cross multiply
   12,663.69x = 17,438.13 × 10,002.84
4. Step 4: Simplify right side
   12,663.69x = 174,430,824.29
5. Step 5: Solve for x
   x = 174,430,824.29/12,663.69
6. Step 6: Final answer
   x = 13,774.09