Finding the Fourth Proportional to 224,399.48, 309,649.72 and 123,791

Step by Step Solution

1. Step 1: Write the proportion equation
   224,399.48 : 309,649.72 = 123,791 : x
2. Step 2: Convert to fraction form
   224,399.48/309,649.72 = 123,791/x
3. Step 3: Cross multiply
   224,399.48x = 309,649.72 × 123,791
4. Step 4: Simplify right side
   224,399.48x = 38,331,848,488.52
5. Step 5: Solve for x
   x = 38,331,848,488.52/224,399.48
6. Step 6: Final answer
   x = 170,819.69