Finding the Fourth Proportional to 1,301.69, 1,798.35 and 1,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.69 : 1,798.35 = 1,091.50 : x
2. Step 2: Convert to fraction form
   1,301.69/1,798.35 = 1,091.50/x
3. Step 3: Cross multiply
   1,301.69x = 1,798.35 × 1,091.50
4. Step 4: Simplify right side
   1,301.69x = 1,962,890.03
5. Step 5: Solve for x
   x = 1,962,890.03/1,301.69
6. Step 6: Final answer
   x = 1,507.96