Finding the Fourth Proportional to 22,311,945.02, 30,789,190.59 and 12,521,475.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,311,945.02 : 30,789,190.59 = 12,521,475.02 : x
2. Step 2: Convert to fraction form
   22,311,945.02/30,789,190.59 = 12,521,475.02/x
3. Step 3: Cross multiply
   22,311,945.02x = 30,789,190.59 × 12,521,475.02
4. Step 4: Simplify right side
   22,311,945.02x = 385,526,080,858,704.06
5. Step 5: Solve for x
   x = 385,526,080,858,704.06/22,311,945.02
6. Step 6: Final answer
   x = 17,278,909.59