Finding the Fourth Proportional to 1,458.68, 2,013.54 and 1,068.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.68 : 2,013.54 = 1,068.80 : x
2. Step 2: Convert to fraction form
   1,458.68/2,013.54 = 1,068.80/x
3. Step 3: Cross multiply
   1,458.68x = 2,013.54 × 1,068.80
4. Step 4: Simplify right side
   1,458.68x = 2,152,071.55
5. Step 5: Solve for x
   x = 2,152,071.55/1,458.68
6. Step 6: Final answer
   x = 1,475.36