Finding the Fourth Proportional to 30,953.34, 42,693.75 and 19,023.39

Step by Step Solution

1. Step 1: Write the proportion equation
   30,953.34 : 42,693.75 = 19,023.39 : x
2. Step 2: Convert to fraction form
   30,953.34/42,693.75 = 19,023.39/x
3. Step 3: Cross multiply
   30,953.34x = 42,693.75 × 19,023.39
4. Step 4: Simplify right side
   30,953.34x = 812,179,856.81
5. Step 5: Solve for x
   x = 812,179,856.81/30,953.34
6. Step 6: Final answer
   x = 26,238.84