Finding the Fourth Proportional to 2,100.04, 3,148.86 and 731.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.04 : 3,148.86 = 731.08 : x
2. Step 2: Convert to fraction form
   2,100.04/3,148.86 = 731.08/x
3. Step 3: Cross multiply
   2,100.04x = 3,148.86 × 731.08
4. Step 4: Simplify right side
   2,100.04x = 2,302,068.57
5. Step 5: Solve for x
   x = 2,302,068.57/2,100.04
6. Step 6: Final answer
   x = 1,096.20