Finding the Fourth Proportional to 28,493.34, 42,749.22 and 13,703.34

Step by Step Solution

1. Step 1: Write the proportion equation
   28,493.34 : 42,749.22 = 13,703.34 : x
2. Step 2: Convert to fraction form
   28,493.34/42,749.22 = 13,703.34/x
3. Step 3: Cross multiply
   28,493.34x = 42,749.22 × 13,703.34
4. Step 4: Simplify right side
   28,493.34x = 585,807,096.39
5. Step 5: Solve for x
   x = 585,807,096.39/28,493.34
6. Step 6: Final answer
   x = 20,559.44