Finding the Fourth Proportional to 3,783.60, 5,670.72 and 1,835.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,783.60 : 5,670.72 = 1,835.28 : x
2. Step 2: Convert to fraction form
   3,783.60/5,670.72 = 1,835.28/x
3. Step 3: Cross multiply
   3,783.60x = 5,670.72 × 1,835.28
4. Step 4: Simplify right side
   3,783.60x = 10,407,359.00
5. Step 5: Solve for x
   x = 10,407,359.00/3,783.60
6. Step 6: Final answer
   x = 2,750.65