Finding the Fourth Proportional to 1,543.25, 2,316.06 and 1,078.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,543.25 : 2,316.06 = 1,078.00 : x
2. Step 2: Convert to fraction form
   1,543.25/2,316.06 = 1,078.00/x
3. Step 3: Cross multiply
   1,543.25x = 2,316.06 × 1,078.00
4. Step 4: Simplify right side
   1,543.25x = 2,496,706.89
5. Step 5: Solve for x
   x = 2,496,706.89/1,543.25
6. Step 6: Final answer
   x = 1,617.82