Finding the Fourth Proportional to 1,930.64, 2,663.69 and 1,458.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,930.64 : 2,663.69 = 1,458.41 : x
2. Step 2: Convert to fraction form
   1,930.64/2,663.69 = 1,458.41/x
3. Step 3: Cross multiply
   1,930.64x = 2,663.69 × 1,458.41
4. Step 4: Simplify right side
   1,930.64x = 3,884,731.52
5. Step 5: Solve for x
   x = 3,884,731.52/1,930.64
6. Step 6: Final answer
   x = 2,012.15