Finding the Fourth Proportional to 2,180,200.10, 3,008,652.72 and 1,213,314.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180,200.10 : 3,008,652.72 = 1,213,314.08 : x
2. Step 2: Convert to fraction form
   2,180,200.10/3,008,652.72 = 1,213,314.08/x
3. Step 3: Cross multiply
   2,180,200.10x = 3,008,652.72 × 1,213,314.08
4. Step 4: Simplify right side
   2,180,200.10x = 3,650,440,707,006.30
5. Step 5: Solve for x
   x = 3,650,440,707,006.30/2,180,200.10
6. Step 6: Final answer
   x = 1,674,360.40