Finding the Fourth Proportional to 749,048.49, 1,123,047.86 and 275,672.34

Step by Step Solution

1. Step 1: Write the proportion equation
   749,048.49 : 1,123,047.86 = 275,672.34 : x
2. Step 2: Convert to fraction form
   749,048.49/1,123,047.86 = 275,672.34/x
3. Step 3: Cross multiply
   749,048.49x = 1,123,047.86 × 275,672.34
4. Step 4: Simplify right side
   749,048.49x = 309,593,230,119.83
5. Step 5: Solve for x
   x = 309,593,230,119.83/749,048.49
6. Step 6: Final answer
   x = 413,315.34