Finding the Fourth Proportional to 22,402.88, 30,905.63 and 13,434.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,402.88 : 30,905.63 = 13,434.83 : x
2. Step 2: Convert to fraction form
   22,402.88/30,905.63 = 13,434.83/x
3. Step 3: Cross multiply
   22,402.88x = 30,905.63 × 13,434.83
4. Step 4: Simplify right side
   22,402.88x = 415,211,885.09
5. Step 5: Solve for x
   x = 415,211,885.09/22,402.88
6. Step 6: Final answer
   x = 18,533.86