Finding the Fourth Proportional to 1,404.76, 2,097.20 and 1,186.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.76 : 2,097.20 = 1,186.06 : x
2. Step 2: Convert to fraction form
   1,404.76/2,097.20 = 1,186.06/x
3. Step 3: Cross multiply
   1,404.76x = 2,097.20 × 1,186.06
4. Step 4: Simplify right side
   1,404.76x = 2,487,405.03
5. Step 5: Solve for x
   x = 2,487,405.03/1,404.76
6. Step 6: Final answer
   x = 1,770.70