Finding the Fourth Proportional to 1,945.90, 2,685.27 and 1,106.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.90 : 2,685.27 = 1,106.59 : x
2. Step 2: Convert to fraction form
   1,945.90/2,685.27 = 1,106.59/x
3. Step 3: Cross multiply
   1,945.90x = 2,685.27 × 1,106.59
4. Step 4: Simplify right side
   1,945.90x = 2,971,492.93
5. Step 5: Solve for x
   x = 2,971,492.93/1,945.90
6. Step 6: Final answer
   x = 1,527.05