Finding the Fourth Proportional to 13,861.56, 19,128.97 and 7,573.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,861.56 : 19,128.97 = 7,573.94 : x
2. Step 2: Convert to fraction form
   13,861.56/19,128.97 = 7,573.94/x
3. Step 3: Cross multiply
   13,861.56x = 19,128.97 × 7,573.94
4. Step 4: Simplify right side
   13,861.56x = 144,881,671.04
5. Step 5: Solve for x
   x = 144,881,671.04/13,861.56
6. Step 6: Final answer
   x = 10,452.05