Finding the Fourth Proportional to 13,072.50, 19,597.73 and 5,671.39

Step by Step Solution

1. Step 1: Write the proportion equation
   13,072.50 : 19,597.73 = 5,671.39 : x
2. Step 2: Convert to fraction form
   13,072.50/19,597.73 = 5,671.39/x
3. Step 3: Cross multiply
   13,072.50x = 19,597.73 × 5,671.39
4. Step 4: Simplify right side
   13,072.50x = 111,146,341.59
5. Step 5: Solve for x
   x = 111,146,341.59/13,072.50
6. Step 6: Final answer
   x = 8,502.30