Finding the Fourth Proportional to 17,428.29, 26,077.83 and 10,412.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,428.29 : 26,077.83 = 10,412.12 : x
2. Step 2: Convert to fraction form
   17,428.29/26,077.83 = 10,412.12/x
3. Step 3: Cross multiply
   17,428.29x = 26,077.83 × 10,412.12
4. Step 4: Simplify right side
   17,428.29x = 271,525,495.30
5. Step 5: Solve for x
   x = 271,525,495.30/17,428.29
6. Step 6: Final answer
   x = 15,579.58