Finding the Fourth Proportional to 6,405,673.74, 8,839,829.76 and 3,505,064.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,405,673.74 : 8,839,829.76 = 3,505,064.62 : x
2. Step 2: Convert to fraction form
   6,405,673.74/8,839,829.76 = 3,505,064.62/x
3. Step 3: Cross multiply
   6,405,673.74x = 8,839,829.76 × 3,505,064.62
4. Step 4: Simplify right side
   6,405,673.74x = 30,984,174,516,499.52
5. Step 5: Solve for x
   x = 30,984,174,516,499.52/6,405,673.74
6. Step 6: Final answer
   x = 4,836,989.17