Finding the Fourth Proportional to 561,667.30, 842,504.55 and 224,736.10

Step by Step Solution

1. Step 1: Write the proportion equation
   561,667.30 : 842,504.55 = 224,736.10 : x
2. Step 2: Convert to fraction form
   561,667.30/842,504.55 = 224,736.10/x
3. Step 3: Cross multiply
   561,667.30x = 842,504.55 × 224,736.10
4. Step 4: Simplify right side
   561,667.30x = 189,341,186,799.26
5. Step 5: Solve for x
   x = 189,341,186,799.26/561,667.30
6. Step 6: Final answer
   x = 337,105.59