Finding the Fourth Proportional to 19,354.64, 29,036.51 and 7,667.85

Step by Step Solution

1. Step 1: Write the proportion equation
   19,354.64 : 29,036.51 = 7,667.85 : x
2. Step 2: Convert to fraction form
   19,354.64/29,036.51 = 7,667.85/x
3. Step 3: Cross multiply
   19,354.64x = 29,036.51 × 7,667.85
4. Step 4: Simplify right side
   19,354.64x = 222,647,564.86
5. Step 5: Solve for x
   x = 222,647,564.86/19,354.64
6. Step 6: Final answer
   x = 11,503.58