Finding the Fourth Proportional to 3,493,732.31, 4,821,570.82 and 2,117,196.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,493,732.31 : 4,821,570.82 = 2,117,196.39 : x
2. Step 2: Convert to fraction form
   3,493,732.31/4,821,570.82 = 2,117,196.39/x
3. Step 3: Cross multiply
   3,493,732.31x = 4,821,570.82 × 2,117,196.39
4. Step 4: Simplify right side
   3,493,732.31x = 10,208,212,336,108.99
5. Step 5: Solve for x
   x = 10,208,212,336,108.99/3,493,732.31
6. Step 6: Final answer
   x = 2,921,864.48