Finding the Fourth Proportional to 224,128.69, 309,298.03 and 122,155.29

Step by Step Solution

1. Step 1: Write the proportion equation
   224,128.69 : 309,298.03 = 122,155.29 : x
2. Step 2: Convert to fraction form
   224,128.69/309,298.03 = 122,155.29/x
3. Step 3: Cross multiply
   224,128.69x = 309,298.03 × 122,155.29
4. Step 4: Simplify right side
   224,128.69x = 37,782,390,245.69
5. Step 5: Solve for x
   x = 37,782,390,245.69/224,128.69
6. Step 6: Final answer
   x = 168,574.54