Finding the Fourth Proportional to 12,381.25, 17,084.58 and 7,907.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,381.25 : 17,084.58 = 7,907.62 : x
2. Step 2: Convert to fraction form
   12,381.25/17,084.58 = 7,907.62/x
3. Step 3: Cross multiply
   12,381.25x = 17,084.58 × 7,907.62
4. Step 4: Simplify right side
   12,381.25x = 135,098,366.50
5. Step 5: Solve for x
   x = 135,098,366.50/12,381.25
6. Step 6: Final answer
   x = 10,911.53