Finding the Fourth Proportional to 21,056.94, 29,064.15 and 13,094.64

Step by Step Solution

1. Step 1: Write the proportion equation
   21,056.94 : 29,064.15 = 13,094.64 : x
2. Step 2: Convert to fraction form
   21,056.94/29,064.15 = 13,094.64/x
3. Step 3: Cross multiply
   21,056.94x = 29,064.15 × 13,094.64
4. Step 4: Simplify right side
   21,056.94x = 380,584,581.16
5. Step 5: Solve for x
   x = 380,584,581.16/21,056.94
6. Step 6: Final answer
   x = 18,074.07