Finding the Fourth Proportional to 2,100.12, 3,150.52 and 713.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.12 : 3,150.52 = 713.58 : x
2. Step 2: Convert to fraction form
   2,100.12/3,150.52 = 713.58/x
3. Step 3: Cross multiply
   2,100.12x = 3,150.52 × 713.58
4. Step 4: Simplify right side
   2,100.12x = 2,248,148.06
5. Step 5: Solve for x
   x = 2,248,148.06/2,100.12
6. Step 6: Final answer
   x = 1,070.49