Finding the Fourth Proportional to 2,039,961.90, 2,815,131.85 and 1,122,171.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039,961.90 : 2,815,131.85 = 1,122,171.28 : x
2. Step 2: Convert to fraction form
   2,039,961.90/2,815,131.85 = 1,122,171.28/x
3. Step 3: Cross multiply
   2,039,961.90x = 2,815,131.85 × 1,122,171.28
4. Step 4: Simplify right side
   2,039,961.90x = 3,159,060,111,483.27
5. Step 5: Solve for x
   x = 3,159,060,111,483.27/2,039,961.90
6. Step 6: Final answer
   x = 1,548,587.80