Finding the Fourth Proportional to 9,907.41, 14,757.88 and 9,381.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,907.41 : 14,757.88 = 9,381.50 : x
2. Step 2: Convert to fraction form
   9,907.41/14,757.88 = 9,381.50/x
3. Step 3: Cross multiply
   9,907.41x = 14,757.88 × 9,381.50
4. Step 4: Simplify right side
   9,907.41x = 138,451,051.22
5. Step 5: Solve for x
   x = 138,451,051.22/9,907.41
6. Step 6: Final answer
   x = 13,974.49