Finding the Fourth Proportional to 2,933,978.76, 4,401,248.49 and 911,679.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933,978.76 : 4,401,248.49 = 911,679.57 : x
2. Step 2: Convert to fraction form
   2,933,978.76/4,401,248.49 = 911,679.57/x
3. Step 3: Cross multiply
   2,933,978.76x = 4,401,248.49 × 911,679.57
4. Step 4: Simplify right side
   2,933,978.76x = 4,012,528,330,826.35
5. Step 5: Solve for x
   x = 4,012,528,330,826.35/2,933,978.76
6. Step 6: Final answer
   x = 1,367,606.47