Finding the Fourth Proportional to 13,009.72, 19,516.50 and 3,774.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,009.72 : 19,516.50 = 3,774.52 : x
2. Step 2: Convert to fraction form
   13,009.72/19,516.50 = 3,774.52/x
3. Step 3: Cross multiply
   13,009.72x = 19,516.50 × 3,774.52
4. Step 4: Simplify right side
   13,009.72x = 73,665,419.58
5. Step 5: Solve for x
   x = 73,665,419.58/13,009.72
6. Step 6: Final answer
   x = 5,662.34