Finding the Fourth Proportional to 2,071.63, 3,106.53 and 1,097.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.63 : 3,106.53 = 1,097.51 : x
2. Step 2: Convert to fraction form
   2,071.63/3,106.53 = 1,097.51/x
3. Step 3: Cross multiply
   2,071.63x = 3,106.53 × 1,097.51
4. Step 4: Simplify right side
   2,071.63x = 3,409,432.21
5. Step 5: Solve for x
   x = 3,409,432.21/2,071.63
6. Step 6: Final answer
   x = 1,645.77