Finding the Fourth Proportional to 13,774.92, 19,009.52 and 7,487.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,774.92 : 19,009.52 = 7,487.31 : x
2. Step 2: Convert to fraction form
   13,774.92/19,009.52 = 7,487.31/x
3. Step 3: Cross multiply
   13,774.92x = 19,009.52 × 7,487.31
4. Step 4: Simplify right side
   13,774.92x = 142,330,131.75
5. Step 5: Solve for x
   x = 142,330,131.75/13,774.92
6. Step 6: Final answer
   x = 10,332.56