Finding the Fourth Proportional to 2,059.47, 2,840.91 and 1,263.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.47 : 2,840.91 = 1,263.18 : x
2. Step 2: Convert to fraction form
   2,059.47/2,840.91 = 1,263.18/x
3. Step 3: Cross multiply
   2,059.47x = 2,840.91 × 1,263.18
4. Step 4: Simplify right side
   2,059.47x = 3,588,580.69
5. Step 5: Solve for x
   x = 3,588,580.69/2,059.47
6. Step 6: Final answer
   x = 1,742.48