Finding the Fourth Proportional to 1,884.91, 2,598.81 and 1,211.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,884.91 : 2,598.81 = 1,211.52 : x
2. Step 2: Convert to fraction form
   1,884.91/2,598.81 = 1,211.52/x
3. Step 3: Cross multiply
   1,884.91x = 2,598.81 × 1,211.52
4. Step 4: Simplify right side
   1,884.91x = 3,148,510.29
5. Step 5: Solve for x
   x = 3,148,510.29/1,884.91
6. Step 6: Final answer
   x = 1,670.38