Finding the Fourth Proportional to 3,533.76, 5,300.72 and 1,068.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,533.76 : 5,300.72 = 1,068.57 : x
2. Step 2: Convert to fraction form
   3,533.76/5,300.72 = 1,068.57/x
3. Step 3: Cross multiply
   3,533.76x = 5,300.72 × 1,068.57
4. Step 4: Simplify right side
   3,533.76x = 5,664,190.37
5. Step 5: Solve for x
   x = 5,664,190.37/3,533.76
6. Step 6: Final answer
   x = 1,602.88