Finding the Fourth Proportional to 1,499.60, 2,245.12 and 1,191.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.60 : 2,245.12 = 1,191.88 : x
2. Step 2: Convert to fraction form
   1,499.60/2,245.12 = 1,191.88/x
3. Step 3: Cross multiply
   1,499.60x = 2,245.12 × 1,191.88
4. Step 4: Simplify right side
   1,499.60x = 2,675,913.63
5. Step 5: Solve for x
   x = 2,675,913.63/1,499.60
6. Step 6: Final answer
   x = 1,784.42