Finding the Fourth Proportional to 19,620.23, 27,075.59 and 10,667.95

Step by Step Solution

1. Step 1: Write the proportion equation
   19,620.23 : 27,075.59 = 10,667.95 : x
2. Step 2: Convert to fraction form
   19,620.23/27,075.59 = 10,667.95/x
3. Step 3: Cross multiply
   19,620.23x = 27,075.59 × 10,667.95
4. Step 4: Simplify right side
   19,620.23x = 288,841,141.62
5. Step 5: Solve for x
   x = 288,841,141.62/19,620.23
6. Step 6: Final answer
   x = 14,721.60