Finding the Fourth Proportional to 30,514.78, 45,848.86 and 19,426.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,514.78 : 45,848.86 = 19,426.42 : x
2. Step 2: Convert to fraction form
   30,514.78/45,848.86 = 19,426.42/x
3. Step 3: Cross multiply
   30,514.78x = 45,848.86 × 19,426.42
4. Step 4: Simplify right side
   30,514.78x = 890,679,210.88
5. Step 5: Solve for x
   x = 890,679,210.88/30,514.78
6. Step 6: Final answer
   x = 29,188.45