Finding the Fourth Proportional to 224,323.83, 336,484.67 and 213,111.27

Step by Step Solution

1. Step 1: Write the proportion equation
   224,323.83 : 336,484.67 = 213,111.27 : x
2. Step 2: Convert to fraction form
   224,323.83/336,484.67 = 213,111.27/x
3. Step 3: Cross multiply
   224,323.83x = 336,484.67 × 213,111.27
4. Step 4: Simplify right side
   224,323.83x = 71,708,674,293.67
5. Step 5: Solve for x
   x = 71,708,674,293.67/224,323.83
6. Step 6: Final answer
   x = 319,665.88