Finding the Fourth Proportional to 10,956.06, 15,119.46 and 10,118.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,956.06 : 15,119.46 = 10,118.93 : x
2. Step 2: Convert to fraction form
   10,956.06/15,119.46 = 10,118.93/x
3. Step 3: Cross multiply
   10,956.06x = 15,119.46 × 10,118.93
4. Step 4: Simplify right side
   10,956.06x = 152,992,681.78
5. Step 5: Solve for x
   x = 152,992,681.78/10,956.06
6. Step 6: Final answer
   x = 13,964.21