Finding the Fourth Proportional to 2,091.51, 3,136.61 and 704.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.51 : 3,136.61 = 704.45 : x
2. Step 2: Convert to fraction form
   2,091.51/3,136.61 = 704.45/x
3. Step 3: Cross multiply
   2,091.51x = 3,136.61 × 704.45
4. Step 4: Simplify right side
   2,091.51x = 2,209,565.71
5. Step 5: Solve for x
   x = 2,209,565.71/2,091.51
6. Step 6: Final answer
   x = 1,056.45