Finding the Fourth Proportional to 22,518,189, 31,077,978.74 and 12,595,623.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,518,189 : 31,077,978.74 = 12,595,623.12 : x
2. Step 2: Convert to fraction form
   22,518,189/31,077,978.74 = 12,595,623.12/x
3. Step 3: Cross multiply
   22,518,189x = 31,077,978.74 × 12,595,623.12
4. Step 4: Simplify right side
   22,518,189x = 391,446,507,540,412.44
5. Step 5: Solve for x
   x = 391,446,507,540,412.44/22,518,189
6. Step 6: Final answer
   x = 17,383,569.68