Finding the Fourth Proportional to 11,476.32, 17,214.24 and 3,156.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,476.32 : 17,214.24 = 3,156.30 : x
2. Step 2: Convert to fraction form
   11,476.32/17,214.24 = 3,156.30/x
3. Step 3: Cross multiply
   11,476.32x = 17,214.24 × 3,156.30
4. Step 4: Simplify right side
   11,476.32x = 54,333,305.71
5. Step 5: Solve for x
   x = 54,333,305.71/11,476.32
6. Step 6: Final answer
   x = 4,734.38