Finding the Fourth Proportional to 13,172, 19,766.59 and 4,852.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,172 : 19,766.59 = 4,852.10 : x
2. Step 2: Convert to fraction form
   13,172/19,766.59 = 4,852.10/x
3. Step 3: Cross multiply
   13,172x = 19,766.59 × 4,852.10
4. Step 4: Simplify right side
   13,172x = 95,909,471.34
5. Step 5: Solve for x
   x = 95,909,471.34/13,172
6. Step 6: Final answer
   x = 7,281.31