Finding the Fourth Proportional to 2,117.40, 2,921.94 and 1,233.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117.40 : 2,921.94 = 1,233.06 : x
2. Step 2: Convert to fraction form
   2,117.40/2,921.94 = 1,233.06/x
3. Step 3: Cross multiply
   2,117.40x = 2,921.94 × 1,233.06
4. Step 4: Simplify right side
   2,117.40x = 3,602,927.34
5. Step 5: Solve for x
   x = 3,602,927.34/2,117.40
6. Step 6: Final answer
   x = 1,701.58