Finding the Fourth Proportional to 1,410.02, 1,946.43 and 879.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.02 : 1,946.43 = 879.17 : x
2. Step 2: Convert to fraction form
   1,410.02/1,946.43 = 879.17/x
3. Step 3: Cross multiply
   1,410.02x = 1,946.43 × 879.17
4. Step 4: Simplify right side
   1,410.02x = 1,711,242.86
5. Step 5: Solve for x
   x = 1,711,242.86/1,410.02
6. Step 6: Final answer
   x = 1,213.63