Finding the Fourth Proportional to 9,347.83, 14,019.34 and 2,772.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,347.83 : 14,019.34 = 2,772.47 : x
2. Step 2: Convert to fraction form
   9,347.83/14,019.34 = 2,772.47/x
3. Step 3: Cross multiply
   9,347.83x = 14,019.34 × 2,772.47
4. Step 4: Simplify right side
   9,347.83x = 38,868,199.57
5. Step 5: Solve for x
   x = 38,868,199.57/9,347.83
6. Step 6: Final answer
   x = 4,157.99