Finding the Fourth Proportional to 1,402.16, 2,100.66 and 1,182.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.16 : 2,100.66 = 1,182.86 : x
2. Step 2: Convert to fraction form
   1,402.16/2,100.66 = 1,182.86/x
3. Step 3: Cross multiply
   1,402.16x = 2,100.66 × 1,182.86
4. Step 4: Simplify right side
   1,402.16x = 2,484,786.69
5. Step 5: Solve for x
   x = 2,484,786.69/1,402.16
6. Step 6: Final answer
   x = 1,772.11