Finding the Fourth Proportional to 3,688.03, 5,528.72 and 1,346.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,688.03 : 5,528.72 = 1,346.40 : x
2. Step 2: Convert to fraction form
   3,688.03/5,528.72 = 1,346.40/x
3. Step 3: Cross multiply
   3,688.03x = 5,528.72 × 1,346.40
4. Step 4: Simplify right side
   3,688.03x = 7,443,868.61
5. Step 5: Solve for x
   x = 7,443,868.61/3,688.03
6. Step 6: Final answer
   x = 2,018.39