Finding the Fourth Proportional to 2,828,162.20, 3,902,945.88 and 1,539,085.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828,162.20 : 3,902,945.88 = 1,539,085.72 : x
2. Step 2: Convert to fraction form
   2,828,162.20/3,902,945.88 = 1,539,085.72/x
3. Step 3: Cross multiply
   2,828,162.20x = 3,902,945.88 × 1,539,085.72
4. Step 4: Simplify right side
   2,828,162.20x = 6,006,968,269,840.83
5. Step 5: Solve for x
   x = 6,006,968,269,840.83/2,828,162.20
6. Step 6: Final answer
   x = 2,123,982.94