Finding the Fourth Proportional to 13,079.34, 19,604.43 and 5,672.70

Step by Step Solution

1. Step 1: Write the proportion equation
   13,079.34 : 19,604.43 = 5,672.70 : x
2. Step 2: Convert to fraction form
   13,079.34/19,604.43 = 5,672.70/x
3. Step 3: Cross multiply
   13,079.34x = 19,604.43 × 5,672.70
4. Step 4: Simplify right side
   13,079.34x = 111,210,050.06
5. Step 5: Solve for x
   x = 111,210,050.06/13,079.34
6. Step 6: Final answer
   x = 8,502.73