Finding the Fourth Proportional to 224,006.16, 309,128.48 and 123,404.16

Step by Step Solution

1. Step 1: Write the proportion equation
   224,006.16 : 309,128.48 = 123,404.16 : x
2. Step 2: Convert to fraction form
   224,006.16/309,128.48 = 123,404.16/x
3. Step 3: Cross multiply
   224,006.16x = 309,128.48 × 123,404.16
4. Step 4: Simplify right side
   224,006.16x = 38,147,740,406.48
5. Step 5: Solve for x
   x = 38,147,740,406.48/224,006.16
6. Step 6: Final answer
   x = 170,297.73