Finding the Fourth Proportional to 3,392.28, 5,088.59 and 1,053.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,392.28 : 5,088.59 = 1,053.89 : x
2. Step 2: Convert to fraction form
   3,392.28/5,088.59 = 1,053.89/x
3. Step 3: Cross multiply
   3,392.28x = 5,088.59 × 1,053.89
4. Step 4: Simplify right side
   3,392.28x = 5,362,783.40
5. Step 5: Solve for x
   x = 5,362,783.40/3,392.28
6. Step 6: Final answer
   x = 1,580.88