Finding the Fourth Proportional to 2,117,017.58, 3,175,047.56 and 979,155.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117,017.58 : 3,175,047.56 = 979,155.40 : x
2. Step 2: Convert to fraction form
   2,117,017.58/3,175,047.56 = 979,155.40/x
3. Step 3: Cross multiply
   2,117,017.58x = 3,175,047.56 × 979,155.40
4. Step 4: Simplify right side
   2,117,017.58x = 3,108,864,963,630.82
5. Step 5: Solve for x
   x = 3,108,864,963,630.82/2,117,017.58
6. Step 6: Final answer
   x = 1,468,511.64