Finding the Fourth Proportional to 13,834.68, 19,091.28 and 7,865.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,834.68 : 19,091.28 = 7,865.52 : x
2. Step 2: Convert to fraction form
   13,834.68/19,091.28 = 7,865.52/x
3. Step 3: Cross multiply
   13,834.68x = 19,091.28 × 7,865.52
4. Step 4: Simplify right side
   13,834.68x = 150,162,844.67
5. Step 5: Solve for x
   x = 150,162,844.67/13,834.68
6. Step 6: Final answer
   x = 10,854.09