Finding the Fourth Proportional to 224,339.45, 335,719.29 and 140,139.27

Step by Step Solution

1. Step 1: Write the proportion equation
   224,339.45 : 335,719.29 = 140,139.27 : x
2. Step 2: Convert to fraction form
   224,339.45/335,719.29 = 140,139.27/x
3. Step 3: Cross multiply
   224,339.45x = 335,719.29 × 140,139.27
4. Step 4: Simplify right side
   224,339.45x = 47,047,456,225.52
5. Step 5: Solve for x
   x = 47,047,456,225.52/224,339.45
6. Step 6: Final answer
   x = 209,715.48