Finding the Fourth Proportional to 2,272,790.56, 3,408,596.16 and 674,978.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272,790.56 : 3,408,596.16 = 674,978.08 : x
2. Step 2: Convert to fraction form
   2,272,790.56/3,408,596.16 = 674,978.08/x
3. Step 3: Cross multiply
   2,272,790.56x = 3,408,596.16 × 674,978.08
4. Step 4: Simplify right side
   2,272,790.56x = 2,300,727,691,572.17
5. Step 5: Solve for x
   x = 2,300,727,691,572.17/2,272,790.56
6. Step 6: Final answer
   x = 1,012,292.00