Finding the Fourth Proportional to 224,085.28, 309,233.72 and 122,111.64

Step by Step Solution

1. Step 1: Write the proportion equation
   224,085.28 : 309,233.72 = 122,111.64 : x
2. Step 2: Convert to fraction form
   224,085.28/309,233.72 = 122,111.64/x
3. Step 3: Cross multiply
   224,085.28x = 309,233.72 × 122,111.64
4. Step 4: Simplify right side
   224,085.28x = 37,761,036,692.50
5. Step 5: Solve for x
   x = 37,761,036,692.50/224,085.28
6. Step 6: Final answer
   x = 168,511.90