Finding the Fourth Proportional to 22,161,433.45, 30,582,458.92 and 12,238,736.00

Step by Step Solution

1. Step 1: Write the proportion equation
   22,161,433.45 : 30,582,458.92 = 12,238,736.00 : x
2. Step 2: Convert to fraction form
   22,161,433.45/30,582,458.92 = 12,238,736.00/x
3. Step 3: Cross multiply
   22,161,433.45x = 30,582,458.92 × 12,238,736.00
4. Step 4: Simplify right side
   22,161,433.45x = 374,290,640,843,797.56
5. Step 5: Solve for x
   x = 374,290,640,843,797.56/22,161,433.45
6. Step 6: Final answer
   x = 16,889,279.37