Finding the Fourth Proportional to 3,591,861.57, 4,956,116.31 and 2,122,009.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591,861.57 : 4,956,116.31 = 2,122,009.42 : x
2. Step 2: Convert to fraction form
   3,591,861.57/4,956,116.31 = 2,122,009.42/x
3. Step 3: Cross multiply
   3,591,861.57x = 4,956,116.31 × 2,122,009.42
4. Step 4: Simplify right side
   3,591,861.57x = 10,516,925,496,435.64
5. Step 5: Solve for x
   x = 10,516,925,496,435.64/3,591,861.57
6. Step 6: Final answer
   x = 2,927,987.42