Finding the Fourth Proportional to 6,387,877.35, 8,815,404.15 and 3,487,390.47

Step by Step Solution

1. Step 1: Write the proportion equation
   6,387,877.35 : 8,815,404.15 = 3,487,390.47 : x
2. Step 2: Convert to fraction form
   6,387,877.35/8,815,404.15 = 3,487,390.47/x
3. Step 3: Cross multiply
   6,387,877.35x = 8,815,404.15 × 3,487,390.47
4. Step 4: Simplify right side
   6,387,877.35x = 30,742,756,421,908.45
5. Step 5: Solve for x
   x = 30,742,756,421,908.45/6,387,877.35
6. Step 6: Final answer
   x = 4,812,671.68