Finding the Fourth Proportional to 1,516.83, 2,276.61 and 1,298.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516.83 : 2,276.61 = 1,298.13 : x
2. Step 2: Convert to fraction form
   1,516.83/2,276.61 = 1,298.13/x
3. Step 3: Cross multiply
   1,516.83x = 2,276.61 × 1,298.13
4. Step 4: Simplify right side
   1,516.83x = 2,955,322.33
5. Step 5: Solve for x
   x = 2,955,322.33/1,516.83
6. Step 6: Final answer
   x = 1,948.36