Finding the Fourth Proportional to 6,943,639.49, 10,411,662.50 and 5,513,509.61

Step by Step Solution

1. Step 1: Write the proportion equation
   6,943,639.49 : 10,411,662.50 = 5,513,509.61 : x
2. Step 2: Convert to fraction form
   6,943,639.49/10,411,662.50 = 5,513,509.61/x
3. Step 3: Cross multiply
   6,943,639.49x = 10,411,662.50 × 5,513,509.61
4. Step 4: Simplify right side
   6,943,639.49x = 57,404,801,170,200.77
5. Step 5: Solve for x
   x = 57,404,801,170,200.77/6,943,639.49
6. Step 6: Final answer
   x = 8,267,249.66