Finding the Fourth Proportional to 1,423.74, 2,136.42 and 1,137.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.74 : 2,136.42 = 1,137.00 : x
2. Step 2: Convert to fraction form
   1,423.74/2,136.42 = 1,137.00/x
3. Step 3: Cross multiply
   1,423.74x = 2,136.42 × 1,137.00
4. Step 4: Simplify right side
   1,423.74x = 2,429,093.17
5. Step 5: Solve for x
   x = 2,429,093.17/1,423.74
6. Step 6: Final answer
   x = 1,706.14