Finding the Fourth Proportional to 3,393.34, 5,091.61 and 1,053.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,393.34 : 5,091.61 = 1,053.71 : x
2. Step 2: Convert to fraction form
   3,393.34/5,091.61 = 1,053.71/x
3. Step 3: Cross multiply
   3,393.34x = 5,091.61 × 1,053.71
4. Step 4: Simplify right side
   3,393.34x = 5,365,073.35
5. Step 5: Solve for x
   x = 5,365,073.35/3,393.34
6. Step 6: Final answer
   x = 1,581.06