Finding the Fourth Proportional to 1,699.59, 2,345.43 and 953.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,699.59 : 2,345.43 = 953.55 : x
2. Step 2: Convert to fraction form
   1,699.59/2,345.43 = 953.55/x
3. Step 3: Cross multiply
   1,699.59x = 2,345.43 × 953.55
4. Step 4: Simplify right side
   1,699.59x = 2,236,484.78
5. Step 5: Solve for x
   x = 2,236,484.78/1,699.59
6. Step 6: Final answer
   x = 1,315.90