Finding the Fourth Proportional to 22,151,513.70, 33,160,915.35 and 13,171,443.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,151,513.70 : 33,160,915.35 = 13,171,443.30 : x
2. Step 2: Convert to fraction form
   22,151,513.70/33,160,915.35 = 13,171,443.30/x
3. Step 3: Cross multiply
   22,151,513.70x = 33,160,915.35 × 13,171,443.30
4. Step 4: Simplify right side
   22,151,513.70x = 436,777,116,308,624.69
5. Step 5: Solve for x
   x = 436,777,116,308,624.69/22,151,513.70
6. Step 6: Final answer
   x = 19,717,709.69