Finding the Fourth Proportional to 213,111.42, 319,399.83 and 113,024.58

Step by Step Solution

1. Step 1: Write the proportion equation
   213,111.42 : 319,399.83 = 113,024.58 : x
2. Step 2: Convert to fraction form
   213,111.42/319,399.83 = 113,024.58/x
3. Step 3: Cross multiply
   213,111.42x = 319,399.83 × 113,024.58
4. Step 4: Simplify right side
   213,111.42x = 36,100,031,637.82
5. Step 5: Solve for x
   x = 36,100,031,637.82/213,111.42
6. Step 6: Final answer
   x = 169,395.11