Finding the Fourth Proportional to 1,611.79, 2,223.47 and 1,052.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,611.79 : 2,223.47 = 1,052.00 : x
2. Step 2: Convert to fraction form
   1,611.79/2,223.47 = 1,052.00/x
3. Step 3: Cross multiply
   1,611.79x = 2,223.47 × 1,052.00
4. Step 4: Simplify right side
   1,611.79x = 2,339,079.32
5. Step 5: Solve for x
   x = 2,339,079.32/1,611.79
6. Step 6: Final answer
   x = 1,451.24