Finding the Fourth Proportional to 32,019.78, 48,031.98 and 12,298.34

Step by Step Solution

1. Step 1: Write the proportion equation
   32,019.78 : 48,031.98 = 12,298.34 : x
2. Step 2: Convert to fraction form
   32,019.78/48,031.98 = 12,298.34/x
3. Step 3: Cross multiply
   32,019.78x = 48,031.98 × 12,298.34
4. Step 4: Simplify right side
   32,019.78x = 590,713,493.87
5. Step 5: Solve for x
   x = 590,713,493.87/32,019.78
6. Step 6: Final answer
   x = 18,448.39