Finding the Fourth Proportional to 1,110.69, 1,667.93 and 1,064.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,110.69 : 1,667.93 = 1,064.25 : x
2. Step 2: Convert to fraction form
   1,110.69/1,667.93 = 1,064.25/x
3. Step 3: Cross multiply
   1,110.69x = 1,667.93 × 1,064.25
4. Step 4: Simplify right side
   1,110.69x = 1,775,089.18
5. Step 5: Solve for x
   x = 1,775,089.18/1,110.69
6. Step 6: Final answer
   x = 1,598.19