Finding the Fourth Proportional to 2,100.47, 3,146.38 and 1,232.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.47 : 3,146.38 = 1,232.69 : x
2. Step 2: Convert to fraction form
   2,100.47/3,146.38 = 1,232.69/x
3. Step 3: Cross multiply
   2,100.47x = 3,146.38 × 1,232.69
4. Step 4: Simplify right side
   2,100.47x = 3,878,503.30
5. Step 5: Solve for x
   x = 3,878,503.30/2,100.47
6. Step 6: Final answer
   x = 1,846.50