Finding the Fourth Proportional to 1,910.13, 2,636.33 and 1,113.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.13 : 2,636.33 = 1,113.59 : x
2. Step 2: Convert to fraction form
   1,910.13/2,636.33 = 1,113.59/x
3. Step 3: Cross multiply
   1,910.13x = 2,636.33 × 1,113.59
4. Step 4: Simplify right side
   1,910.13x = 2,935,790.72
5. Step 5: Solve for x
   x = 2,935,790.72/1,910.13
6. Step 6: Final answer
   x = 1,536.96