Finding the Fourth Proportional to 2,180,302.08, 3,012,229.56 and 1,665,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180,302.08 : 3,012,229.56 = 1,665,856.50 : x
2. Step 2: Convert to fraction form
   2,180,302.08/3,012,229.56 = 1,665,856.50/x
3. Step 3: Cross multiply
   2,180,302.08x = 3,012,229.56 × 1,665,856.50
4. Step 4: Simplify right side
   2,180,302.08x = 5,017,942,192,018.14
5. Step 5: Solve for x
   x = 5,017,942,192,018.14/2,180,302.08
6. Step 6: Final answer
   x = 2,301,489.43