Finding the Fourth Proportional to 1,707.02, 2,354.88 and 1,109.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,707.02 : 2,354.88 = 1,109.47 : x
2. Step 2: Convert to fraction form
   1,707.02/2,354.88 = 1,109.47/x
3. Step 3: Cross multiply
   1,707.02x = 2,354.88 × 1,109.47
4. Step 4: Simplify right side
   1,707.02x = 2,612,656.94
5. Step 5: Solve for x
   x = 2,612,656.94/1,707.02
6. Step 6: Final answer
   x = 1,530.54