Finding the Fourth Proportional to 19,667.52, 29,505.63 and 7,187.54

Step by Step Solution

1. Step 1: Write the proportion equation
   19,667.52 : 29,505.63 = 7,187.54 : x
2. Step 2: Convert to fraction form
   19,667.52/29,505.63 = 7,187.54/x
3. Step 3: Cross multiply
   19,667.52x = 29,505.63 × 7,187.54
4. Step 4: Simplify right side
   19,667.52x = 212,072,744.95
5. Step 5: Solve for x
   x = 212,072,744.95/19,667.52
6. Step 6: Final answer
   x = 10,782.89