Finding the Fourth Proportional to 3,861.08, 5,790.72 and 1,088.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,861.08 : 5,790.72 = 1,088.02 : x
2. Step 2: Convert to fraction form
   3,861.08/5,790.72 = 1,088.02/x
3. Step 3: Cross multiply
   3,861.08x = 5,790.72 × 1,088.02
4. Step 4: Simplify right side
   3,861.08x = 6,300,419.17
5. Step 5: Solve for x
   x = 6,300,419.17/3,861.08
6. Step 6: Final answer
   x = 1,631.78