Finding the Fourth Proportional to 22,056.32, 30,434.29 and 13,103.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,056.32 : 30,434.29 = 13,103.60 : x
2. Step 2: Convert to fraction form
   22,056.32/30,434.29 = 13,103.60/x
3. Step 3: Cross multiply
   22,056.32x = 30,434.29 × 13,103.60
4. Step 4: Simplify right side
   22,056.32x = 398,798,577.51
5. Step 5: Solve for x
   x = 398,798,577.51/22,056.32
6. Step 6: Final answer
   x = 18,080.92