Finding the Fourth Proportional to 5,724,876.62, 7,900,390.76 and 3,111,380.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,724,876.62 : 7,900,390.76 = 3,111,380.69 : x
2. Step 2: Convert to fraction form
   5,724,876.62/7,900,390.76 = 3,111,380.69/x
3. Step 3: Cross multiply
   5,724,876.62x = 7,900,390.76 × 3,111,380.69
4. Step 4: Simplify right side
   5,724,876.62x = 24,581,123,199,059.57
5. Step 5: Solve for x
   x = 24,581,123,199,059.57/5,724,876.62
6. Step 6: Final answer
   x = 4,293,738.51