Finding the Fourth Proportional to 2,211,288.18, 3,316,807.50 and 979,941.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,211,288.18 : 3,316,807.50 = 979,941.47 : x
2. Step 2: Convert to fraction form
   2,211,288.18/3,316,807.50 = 979,941.47/x
3. Step 3: Cross multiply
   2,211,288.18x = 3,316,807.50 × 979,941.47
4. Step 4: Simplify right side
   2,211,288.18x = 3,250,277,195,773.28
5. Step 5: Solve for x
   x = 3,250,277,195,773.28/2,211,288.18
6. Step 6: Final answer
   x = 1,469,856.91