Finding the Fourth Proportional to 5,162,503.87, 7,123,962.72 and 2,870,615.35

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162,503.87 : 7,123,962.72 = 2,870,615.35 : x
2. Step 2: Convert to fraction form
   5,162,503.87/7,123,962.72 = 2,870,615.35/x
3. Step 3: Cross multiply
   5,162,503.87x = 7,123,962.72 × 2,870,615.35
4. Step 4: Simplify right side
   5,162,503.87x = 20,450,156,736,859.75
5. Step 5: Solve for x
   x = 20,450,156,736,859.75/5,162,503.87
6. Step 6: Final answer
   x = 3,961,286.47