Finding the Fourth Proportional to 3,339.84, 5,008.56 and 1,147.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,339.84 : 5,008.56 = 1,147.98 : x
2. Step 2: Convert to fraction form
   3,339.84/5,008.56 = 1,147.98/x
3. Step 3: Cross multiply
   3,339.84x = 5,008.56 × 1,147.98
4. Step 4: Simplify right side
   3,339.84x = 5,749,726.71
5. Step 5: Solve for x
   x = 5,749,726.71/3,339.84
6. Step 6: Final answer
   x = 1,721.56