Finding the Fourth Proportional to 1,341.67, 2,008.63 and 784.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.67 : 2,008.63 = 784.69 : x
2. Step 2: Convert to fraction form
   1,341.67/2,008.63 = 784.69/x
3. Step 3: Cross multiply
   1,341.67x = 2,008.63 × 784.69
4. Step 4: Simplify right side
   1,341.67x = 1,576,151.87
5. Step 5: Solve for x
   x = 1,576,151.87/1,341.67
6. Step 6: Final answer
   x = 1,174.77