Finding the Fourth Proportional to 13,071.24, 19,614.56 and 5,174.51

Step by Step Solution

1. Step 1: Write the proportion equation
   13,071.24 : 19,614.56 = 5,174.51 : x
2. Step 2: Convert to fraction form
   13,071.24/19,614.56 = 5,174.51/x
3. Step 3: Cross multiply
   13,071.24x = 19,614.56 × 5,174.51
4. Step 4: Simplify right side
   13,071.24x = 101,495,612.92
5. Step 5: Solve for x
   x = 101,495,612.92/13,071.24
6. Step 6: Final answer
   x = 7,764.80