Finding the Fourth Proportional to 2,180,530.49, 3,009,160.58 and 1,200,583.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180,530.49 : 3,009,160.58 = 1,200,583.49 : x
2. Step 2: Convert to fraction form
   2,180,530.49/3,009,160.58 = 1,200,583.49/x
3. Step 3: Cross multiply
   2,180,530.49x = 3,009,160.58 × 1,200,583.49
4. Step 4: Simplify right side
   2,180,530.49x = 3,612,748,490,058.10
5. Step 5: Solve for x
   x = 3,612,748,490,058.10/2,180,530.49
6. Step 6: Final answer
   x = 1,656,820.90