Finding the Fourth Proportional to 2,117,081.56, 3,175,617.48 and 918,848.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117,081.56 : 3,175,617.48 = 918,848.56 : x
2. Step 2: Convert to fraction form
   2,117,081.56/3,175,617.48 = 918,848.56/x
3. Step 3: Cross multiply
   2,117,081.56x = 3,175,617.48 × 918,848.56
4. Step 4: Simplify right side
   2,117,081.56x = 2,917,911,548,608.83
5. Step 5: Solve for x
   x = 2,917,911,548,608.83/2,117,081.56
6. Step 6: Final answer
   x = 1,378,270.73