Finding the Fourth Proportional to 1,673.86, 2,307.37 and 1,175.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.86 : 2,307.37 = 1,175.10 : x
2. Step 2: Convert to fraction form
   1,673.86/2,307.37 = 1,175.10/x
3. Step 3: Cross multiply
   1,673.86x = 2,307.37 × 1,175.10
4. Step 4: Simplify right side
   1,673.86x = 2,711,384.61
5. Step 5: Solve for x
   x = 2,711,384.61/1,673.86
6. Step 6: Final answer
   x = 1,619.84