Finding the Fourth Proportional to 19,630.33, 29,437.59 and 7,147.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,630.33 : 29,437.59 = 7,147.42 : x
2. Step 2: Convert to fraction form
   19,630.33/29,437.59 = 7,147.42/x
3. Step 3: Cross multiply
   19,630.33x = 29,437.59 × 7,147.42
4. Step 4: Simplify right side
   19,630.33x = 210,402,819.52
5. Step 5: Solve for x
   x = 210,402,819.52/19,630.33
6. Step 6: Final answer
   x = 10,718.25