Finding the Fourth Proportional to 223,985.91, 335,970.45 and 55,506.72

Step by Step Solution

1. Step 1: Write the proportion equation
   223,985.91 : 335,970.45 = 55,506.72 : x
2. Step 2: Convert to fraction form
   223,985.91/335,970.45 = 55,506.72/x
3. Step 3: Cross multiply
   223,985.91x = 335,970.45 × 55,506.72
4. Step 4: Simplify right side
   223,985.91x = 18,648,617,696.42
5. Step 5: Solve for x
   x = 18,648,617,696.42/223,985.91
6. Step 6: Final answer
   x = 83,257.99