Finding the Fourth Proportional to 1,184.76, 1,779.72 and 1,145.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,184.76 : 1,779.72 = 1,145.88 : x
2. Step 2: Convert to fraction form
   1,184.76/1,779.72 = 1,145.88/x
3. Step 3: Cross multiply
   1,184.76x = 1,779.72 × 1,145.88
4. Step 4: Simplify right side
   1,184.76x = 2,039,345.55
5. Step 5: Solve for x
   x = 2,039,345.55/1,184.76
6. Step 6: Final answer
   x = 1,721.32