Finding the Fourth Proportional to 5,188,880.27, 7,776,569.24 and 2,111,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,188,880.27 : 7,776,569.24 = 2,111,284.50 : x
2. Step 2: Convert to fraction form
   5,188,880.27/7,776,569.24 = 2,111,284.50/x
3. Step 3: Cross multiply
   5,188,880.27x = 7,776,569.24 × 2,111,284.50
4. Step 4: Simplify right side
   5,188,880.27x = 16,418,550,065,984.14
5. Step 5: Solve for x
   x = 16,418,550,065,984.14/5,188,880.27
6. Step 6: Final answer
   x = 3,164,179.79