Finding the Fourth Proportional to 1,105.09, 1,525.25 and 701.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.09 : 1,525.25 = 701.05 : x
2. Step 2: Convert to fraction form
   1,105.09/1,525.25 = 701.05/x
3. Step 3: Cross multiply
   1,105.09x = 1,525.25 × 701.05
4. Step 4: Simplify right side
   1,105.09x = 1,069,276.51
5. Step 5: Solve for x
   x = 1,069,276.51/1,105.09
6. Step 6: Final answer
   x = 967.60