Finding the Fourth Proportional to 1,892.61, 2,610.96 and 1,106.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.61 : 2,610.96 = 1,106.31 : x
2. Step 2: Convert to fraction form
   1,892.61/2,610.96 = 1,106.31/x
3. Step 3: Cross multiply
   1,892.61x = 2,610.96 × 1,106.31
4. Step 4: Simplify right side
   1,892.61x = 2,888,531.16
5. Step 5: Solve for x
   x = 2,888,531.16/1,892.61
6. Step 6: Final answer
   x = 1,526.22