Finding the Fourth Proportional to 2,366.31, 3,548.71 and 784.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,366.31 : 3,548.71 = 784.74 : x
2. Step 2: Convert to fraction form
   2,366.31/3,548.71 = 784.74/x
3. Step 3: Cross multiply
   2,366.31x = 3,548.71 × 784.74
4. Step 4: Simplify right side
   2,366.31x = 2,784,814.69
5. Step 5: Solve for x
   x = 2,784,814.69/2,366.31
6. Step 6: Final answer
   x = 1,176.86