Finding the Fourth Proportional to 1,533.94, 2,300.91 and 379.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,533.94 : 2,300.91 = 379.69 : x
2. Step 2: Convert to fraction form
   1,533.94/2,300.91 = 379.69/x
3. Step 3: Cross multiply
   1,533.94x = 2,300.91 × 379.69
4. Step 4: Simplify right side
   1,533.94x = 873,625.34
5. Step 5: Solve for x
   x = 873,625.34/1,533.94
6. Step 6: Final answer
   x = 569.53