Finding the Fourth Proportional to 12,611.40, 17,395.98 and 7,833

Step by Step Solution

1. Step 1: Write the proportion equation
   12,611.40 : 17,395.98 = 7,833 : x
2. Step 2: Convert to fraction form
   12,611.40/17,395.98 = 7,833/x
3. Step 3: Cross multiply
   12,611.40x = 17,395.98 × 7,833
4. Step 4: Simplify right side
   12,611.40x = 136,262,711.34
5. Step 5: Solve for x
   x = 136,262,711.34/12,611.40
6. Step 6: Final answer
   x = 10,804.73