Finding the Fourth Proportional to 224,429, 309,718.50 and 123,833.48

Step by Step Solution

1. Step 1: Write the proportion equation
   224,429 : 309,718.50 = 123,833.48 : x
2. Step 2: Convert to fraction form
   224,429/309,718.50 = 123,833.48/x
3. Step 3: Cross multiply
   224,429x = 309,718.50 × 123,833.48
4. Step 4: Simplify right side
   224,429x = 38,353,519,675.38
5. Step 5: Solve for x
   x = 38,353,519,675.38/224,429
6. Step 6: Final answer
   x = 170,893.78