Finding the Fourth Proportional to 22,915,134.99, 31,622,255.46 and 12,601,858.05

Step by Step Solution

1. Step 1: Write the proportion equation
   22,915,134.99 : 31,622,255.46 = 12,601,858.05 : x
2. Step 2: Convert to fraction form
   22,915,134.99/31,622,255.46 = 12,601,858.05/x
3. Step 3: Cross multiply
   22,915,134.99x = 31,622,255.46 × 12,601,858.05
4. Step 4: Simplify right side
   22,915,134.99x = 398,499,174,527,757.50
5. Step 5: Solve for x
   x = 398,499,174,527,757.50/22,915,134.99
6. Step 6: Final answer
   x = 17,390,217.19