Finding the Fourth Proportional to 19,538.83, 29,307.82 and 4,747.83

Step by Step Solution

1. Step 1: Write the proportion equation
   19,538.83 : 29,307.82 = 4,747.83 : x
2. Step 2: Convert to fraction form
   19,538.83/29,307.82 = 4,747.83/x
3. Step 3: Cross multiply
   19,538.83x = 29,307.82 × 4,747.83
4. Step 4: Simplify right side
   19,538.83x = 139,148,547.03
5. Step 5: Solve for x
   x = 139,148,547.03/19,538.83
6. Step 6: Final answer
   x = 7,121.64