Finding the Fourth Proportional to 14,311.83, 19,749.36 and 7,938.19

Step by Step Solution

1. Step 1: Write the proportion equation
   14,311.83 : 19,749.36 = 7,938.19 : x
2. Step 2: Convert to fraction form
   14,311.83/19,749.36 = 7,938.19/x
3. Step 3: Cross multiply
   14,311.83x = 19,749.36 × 7,938.19
4. Step 4: Simplify right side
   14,311.83x = 156,774,172.06
5. Step 5: Solve for x
   x = 156,774,172.06/14,311.83
6. Step 6: Final answer
   x = 10,954.17