Finding the Fourth Proportional to 22,590,264.28, 31,174,759.56 and 12,276,989.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,590,264.28 : 31,174,759.56 = 12,276,989.50 : x
2. Step 2: Convert to fraction form
   22,590,264.28/31,174,759.56 = 12,276,989.50/x
3. Step 3: Cross multiply
   22,590,264.28x = 31,174,759.56 × 12,276,989.50
4. Step 4: Simplify right side
   22,590,264.28x = 382,732,195,783,144.62
5. Step 5: Solve for x
   x = 382,732,195,783,144.62/22,590,264.28
6. Step 6: Final answer
   x = 16,942,351.41