Finding the Fourth Proportional to 6,448,066.78, 8,898,960.15 and 4,813,636.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,448,066.78 : 8,898,960.15 = 4,813,636.02 : x
2. Step 2: Convert to fraction form
   6,448,066.78/8,898,960.15 = 4,813,636.02/x
3. Step 3: Cross multiply
   6,448,066.78x = 8,898,960.15 × 4,813,636.02
4. Step 4: Simplify right side
   6,448,066.78x = 42,836,355,118,584.60
5. Step 5: Solve for x
   x = 42,836,355,118,584.60/6,448,066.78
6. Step 6: Final answer
   x = 6,643,286.52