Finding the Fourth Proportional to 1,914.51, 2,641.90 and 1,168.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.51 : 2,641.90 = 1,168.86 : x
2. Step 2: Convert to fraction form
   1,914.51/2,641.90 = 1,168.86/x
3. Step 3: Cross multiply
   1,914.51x = 2,641.90 × 1,168.86
4. Step 4: Simplify right side
   1,914.51x = 3,088,011.23
5. Step 5: Solve for x
   x = 3,088,011.23/1,914.51
6. Step 6: Final answer
   x = 1,612.95