Finding the Fourth Proportional to 1,333.43, 2,001.61 and 786.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.43 : 2,001.61 = 786.00 : x
2. Step 2: Convert to fraction form
   1,333.43/2,001.61 = 786.00/x
3. Step 3: Cross multiply
   1,333.43x = 2,001.61 × 786.00
4. Step 4: Simplify right side
   1,333.43x = 1,573,273.95
5. Step 5: Solve for x
   x = 1,573,273.95/1,333.43
6. Step 6: Final answer
   x = 1,179.87