Finding the Fourth Proportional to 22,945,390.80, 31,664,141 and 12,631,719.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,945,390.80 : 31,664,141 = 12,631,719.12 : x
2. Step 2: Convert to fraction form
   22,945,390.80/31,664,141 = 12,631,719.12/x
3. Step 3: Cross multiply
   22,945,390.80x = 31,664,141 × 12,631,719.12
4. Step 4: Simplify right side
   22,945,390.80x = 399,972,535,288,075.88
5. Step 5: Solve for x
   x = 399,972,535,288,075.88/22,945,390.80
6. Step 6: Final answer
   x = 17,431,498.06