Finding the Fourth Proportional to 13,907.84, 19,172.72 and 9,922.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,907.84 : 19,172.72 = 9,922.03 : x
2. Step 2: Convert to fraction form
   13,907.84/19,172.72 = 9,922.03/x
3. Step 3: Cross multiply
   13,907.84x = 19,172.72 × 9,922.03
4. Step 4: Simplify right side
   13,907.84x = 190,232,279.89
5. Step 5: Solve for x
   x = 190,232,279.89/13,907.84
6. Step 6: Final answer
   x = 13,678.07