Finding the Fourth Proportional to 1,980,131.86, 2,732,113.61 and 1,120,692.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980,131.86 : 2,732,113.61 = 1,120,692.09 : x
2. Step 2: Convert to fraction form
   1,980,131.86/2,732,113.61 = 1,120,692.09/x
3. Step 3: Cross multiply
   1,980,131.86x = 2,732,113.61 × 1,120,692.09
4. Step 4: Simplify right side
   1,980,131.86x = 3,061,858,106,104.89
5. Step 5: Solve for x
   x = 3,061,858,106,104.89/1,980,131.86
6. Step 6: Final answer
   x = 1,546,290.01