Finding the Fourth Proportional to 2,386,663.34, 3,579,448.25 and 680,774.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386,663.34 : 3,579,448.25 = 680,774.18 : x
2. Step 2: Convert to fraction form
   2,386,663.34/3,579,448.25 = 680,774.18/x
3. Step 3: Cross multiply
   2,386,663.34x = 3,579,448.25 × 680,774.18
4. Step 4: Simplify right side
   2,386,663.34x = 2,436,795,931,050.88
5. Step 5: Solve for x
   x = 2,436,795,931,050.88/2,386,663.34
6. Step 6: Final answer
   x = 1,021,005.31