Finding the Fourth Proportional to 2,112.10, 2,911.98 and 1,364.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.10 : 2,911.98 = 1,364.74 : x
2. Step 2: Convert to fraction form
   2,112.10/2,911.98 = 1,364.74/x
3. Step 3: Cross multiply
   2,112.10x = 2,911.98 × 1,364.74
4. Step 4: Simplify right side
   2,112.10x = 3,974,095.59
5. Step 5: Solve for x
   x = 3,974,095.59/2,112.10
6. Step 6: Final answer
   x = 1,881.58