Finding the Fourth Proportional to 19,339.42, 29,012.78 and 7,653.55

Step by Step Solution

1. Step 1: Write the proportion equation
   19,339.42 : 29,012.78 = 7,653.55 : x
2. Step 2: Convert to fraction form
   19,339.42/29,012.78 = 7,653.55/x
3. Step 3: Cross multiply
   19,339.42x = 29,012.78 × 7,653.55
4. Step 4: Simplify right side
   19,339.42x = 222,050,762.37
5. Step 5: Solve for x
   x = 222,050,762.37/19,339.42
6. Step 6: Final answer
   x = 11,481.77