Finding the Fourth Proportional to 2,333.51, 3,499.71 and 667.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.51 : 3,499.71 = 667.58 : x
2. Step 2: Convert to fraction form
   2,333.51/3,499.71 = 667.58/x
3. Step 3: Cross multiply
   2,333.51x = 3,499.71 × 667.58
4. Step 4: Simplify right side
   2,333.51x = 2,336,343.82
5. Step 5: Solve for x
   x = 2,336,343.82/2,333.51
6. Step 6: Final answer
   x = 1,001.21