Finding the Fourth Proportional to 10,918.98, 15,056.25 and 7,376.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,918.98 : 15,056.25 = 7,376.04 : x
2. Step 2: Convert to fraction form
   10,918.98/15,056.25 = 7,376.04/x
3. Step 3: Cross multiply
   10,918.98x = 15,056.25 × 7,376.04
4. Step 4: Simplify right side
   10,918.98x = 111,055,502.25
5. Step 5: Solve for x
   x = 111,055,502.25/10,918.98
6. Step 6: Final answer
   x = 10,170.87