Finding the Fourth Proportional to 6,762,878.69, 10,120,371.78 and 4,205,298.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,762,878.69 : 10,120,371.78 = 4,205,298.02 : x
2. Step 2: Convert to fraction form
   6,762,878.69/10,120,371.78 = 4,205,298.02/x
3. Step 3: Cross multiply
   6,762,878.69x = 10,120,371.78 × 4,205,298.02
4. Step 4: Simplify right side
   6,762,878.69x = 42,559,179,408,097.87
5. Step 5: Solve for x
   x = 42,559,179,408,097.87/6,762,878.69
6. Step 6: Final answer
   x = 6,293,056.75