Finding the Fourth Proportional to 1,945.71, 2,685.01 and 1,106.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.71 : 2,685.01 = 1,106.45 : x
2. Step 2: Convert to fraction form
   1,945.71/2,685.01 = 1,106.45/x
3. Step 3: Cross multiply
   1,945.71x = 2,685.01 × 1,106.45
4. Step 4: Simplify right side
   1,945.71x = 2,970,829.31
5. Step 5: Solve for x
   x = 2,970,829.31/1,945.71
6. Step 6: Final answer
   x = 1,526.86