Finding the Fourth Proportional to 1,884.42, 2,600.70 and 1,098.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,884.42 : 2,600.70 = 1,098.72 : x
2. Step 2: Convert to fraction form
   1,884.42/2,600.70 = 1,098.72/x
3. Step 3: Cross multiply
   1,884.42x = 2,600.70 × 1,098.72
4. Step 4: Simplify right side
   1,884.42x = 2,857,441.10
5. Step 5: Solve for x
   x = 2,857,441.10/1,884.42
6. Step 6: Final answer
   x = 1,516.35