Finding the Fourth Proportional to 13,861.13, 19,128.83 and 7,573.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,861.13 : 19,128.83 = 7,573.91 : x
2. Step 2: Convert to fraction form
   13,861.13/19,128.83 = 7,573.91/x
3. Step 3: Cross multiply
   13,861.13x = 19,128.83 × 7,573.91
4. Step 4: Simplify right side
   13,861.13x = 144,879,903.31
5. Step 5: Solve for x
   x = 144,879,903.31/13,861.13
6. Step 6: Final answer
   x = 10,452.25