Finding the Fourth Proportional to 22,503,056.76, 31,054,367.82 and 12,189,780.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,503,056.76 : 31,054,367.82 = 12,189,780.28 : x
2. Step 2: Convert to fraction form
   22,503,056.76/31,054,367.82 = 12,189,780.28/x
3. Step 3: Cross multiply
   22,503,056.76x = 31,054,367.82 × 12,189,780.28
4. Step 4: Simplify right side
   22,503,056.76x = 378,545,920,460,102.56
5. Step 5: Solve for x
   x = 378,545,920,460,102.56/22,503,056.76
6. Step 6: Final answer
   x = 16,821,977.76