Finding the Fourth Proportional to 1,946.76, 2,931.55 and 1,402.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,946.76 : 2,931.55 = 1,402.71 : x
2. Step 2: Convert to fraction form
   1,946.76/2,931.55 = 1,402.71/x
3. Step 3: Cross multiply
   1,946.76x = 2,931.55 × 1,402.71
4. Step 4: Simplify right side
   1,946.76x = 4,112,114.50
5. Step 5: Solve for x
   x = 4,112,114.50/1,946.76
6. Step 6: Final answer
   x = 2,112.29