Finding the Fourth Proportional to 22,540,199.67, 31,105,485.63 and 12,750,435.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,540,199.67 : 31,105,485.63 = 12,750,435.88 : x
2. Step 2: Convert to fraction form
   22,540,199.67/31,105,485.63 = 12,750,435.88/x
3. Step 3: Cross multiply
   22,540,199.67x = 31,105,485.63 × 12,750,435.88
4. Step 4: Simplify right side
   22,540,199.67x = 396,608,499,963,812.69
5. Step 5: Solve for x
   x = 396,608,499,963,812.69/22,540,199.67
6. Step 6: Final answer
   x = 17,595,607.22