Finding the Fourth Proportional to 10,048.92, 15,075.06 and 3,123

Step by Step Solution

1. Step 1: Write the proportion equation
   10,048.92 : 15,075.06 = 3,123 : x
2. Step 2: Convert to fraction form
   10,048.92/15,075.06 = 3,123/x
3. Step 3: Cross multiply
   10,048.92x = 15,075.06 × 3,123
4. Step 4: Simplify right side
   10,048.92x = 47,079,412.38
5. Step 5: Solve for x
   x = 47,079,412.38/10,048.92
6. Step 6: Final answer
   x = 4,685.02