Finding the Fourth Proportional to 1,745,196.12, 2,617,774.56 and 680,985.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,745,196.12 : 2,617,774.56 = 680,985.72 : x
2. Step 2: Convert to fraction form
   1,745,196.12/2,617,774.56 = 680,985.72/x
3. Step 3: Cross multiply
   1,745,196.12x = 2,617,774.56 × 680,985.72
4. Step 4: Simplify right side
   1,745,196.12x = 1,782,667,093,539.28
5. Step 5: Solve for x
   x = 1,782,667,093,539.28/1,745,196.12
6. Step 6: Final answer
   x = 1,021,470.92