Finding the Fourth Proportional to 2,180,546, 3,009,181.98 and 1,200,599

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180,546 : 3,009,181.98 = 1,200,599 : x
2. Step 2: Convert to fraction form
   2,180,546/3,009,181.98 = 1,200,599/x
3. Step 3: Cross multiply
   2,180,546x = 3,009,181.98 × 1,200,599
4. Step 4: Simplify right side
   2,180,546x = 3,612,820,876,006.02
5. Step 5: Solve for x
   x = 3,612,820,876,006.02/2,180,546
6. Step 6: Final answer
   x = 1,656,842.31