Finding the Fourth Proportional to 16,881,469.88, 25,281,742.58 and 8,662,483.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,881,469.88 : 25,281,742.58 = 8,662,483.31 : x
2. Step 2: Convert to fraction form
   16,881,469.88/25,281,742.58 = 8,662,483.31/x
3. Step 3: Cross multiply
   16,881,469.88x = 25,281,742.58 × 8,662,483.31
4. Step 4: Simplify right side
   16,881,469.88x = 219,002,673,009,729.50
5. Step 5: Solve for x
   x = 219,002,673,009,729.50/16,881,469.88
6. Step 6: Final answer
   x = 12,972,962.34