Finding the Fourth Proportional to 2,909,323.42, 4,357,258.89 and 2,808,432.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,909,323.42 : 4,357,258.89 = 2,808,432.67 : x
2. Step 2: Convert to fraction form
   2,909,323.42/4,357,258.89 = 2,808,432.67/x
3. Step 3: Cross multiply
   2,909,323.42x = 4,357,258.89 × 2,808,432.67
4. Step 4: Simplify right side
   2,909,323.42x = 12,237,068,193,388.62
5. Step 5: Solve for x
   x = 12,237,068,193,388.62/2,909,323.42
6. Step 6: Final answer
   x = 4,206,156.02