Finding the Fourth Proportional to 2,172,007.58, 3,258,022.28 and 893,312.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,007.58 : 3,258,022.28 = 893,312.42 : x
2. Step 2: Convert to fraction form
   2,172,007.58/3,258,022.28 = 893,312.42/x
3. Step 3: Cross multiply
   2,172,007.58x = 3,258,022.28 × 893,312.42
4. Step 4: Simplify right side
   2,172,007.58x = 2,910,431,746,604.04
5. Step 5: Solve for x
   x = 2,910,431,746,604.04/2,172,007.58
6. Step 6: Final answer
   x = 1,339,973.11