Finding the Fourth Proportional to 1,499.70, 2,068.69 and 1,167.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.70 : 2,068.69 = 1,167.60 : x
2. Step 2: Convert to fraction form
   1,499.70/2,068.69 = 1,167.60/x
3. Step 3: Cross multiply
   1,499.70x = 2,068.69 × 1,167.60
4. Step 4: Simplify right side
   1,499.70x = 2,415,402.44
5. Step 5: Solve for x
   x = 2,415,402.44/1,499.70
6. Step 6: Final answer
   x = 1,610.59