Finding the Fourth Proportional to 1,499.22, 2,237.27 and 1,335.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.22 : 2,237.27 = 1,335.60 : x
2. Step 2: Convert to fraction form
   1,499.22/2,237.27 = 1,335.60/x
3. Step 3: Cross multiply
   1,499.22x = 2,237.27 × 1,335.60
4. Step 4: Simplify right side
   1,499.22x = 2,988,091.13
5. Step 5: Solve for x
   x = 2,988,091.13/1,499.22
6. Step 6: Final answer
   x = 1,993.10