Finding the Fourth Proportional to 2,573.30, 3,857.34 and 929.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.30 : 3,857.34 = 929.36 : x
2. Step 2: Convert to fraction form
   2,573.30/3,857.34 = 929.36/x
3. Step 3: Cross multiply
   2,573.30x = 3,857.34 × 929.36
4. Step 4: Simplify right side
   2,573.30x = 3,584,857.50
5. Step 5: Solve for x
   x = 3,584,857.50/2,573.30
6. Step 6: Final answer
   x = 1,393.10