Finding the Fourth Proportional to 1,123,353, 1,685,029.50 and 375,399

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,353 : 1,685,029.50 = 375,399 : x
2. Step 2: Convert to fraction form
   1,123,353/1,685,029.50 = 375,399/x
3. Step 3: Cross multiply
   1,123,353x = 1,685,029.50 × 375,399
4. Step 4: Simplify right side
   1,123,353x = 632,558,389,270.50
5. Step 5: Solve for x
   x = 632,558,389,270.50/1,123,353
6. Step 6: Final answer
   x = 563,098.50