Finding the Fourth Proportional to 8,815,621.49, 12,164,890.59 and 4,947,395.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,815,621.49 : 12,164,890.59 = 4,947,395.31 : x
2. Step 2: Convert to fraction form
   8,815,621.49/12,164,890.59 = 4,947,395.31/x
3. Step 3: Cross multiply
   8,815,621.49x = 12,164,890.59 × 4,947,395.31
4. Step 4: Simplify right side
   8,815,621.49x = 60,184,522,651,629.12
5. Step 5: Solve for x
   x = 60,184,522,651,629.12/8,815,621.49
6. Step 6: Final answer
   x = 6,827,031.17