Finding the Fourth Proportional to 13,189,443.84, 19,784,554.56 and 11,258,178.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,189,443.84 : 19,784,554.56 = 11,258,178.48 : x
2. Step 2: Convert to fraction form
   13,189,443.84/19,784,554.56 = 11,258,178.48/x
3. Step 3: Cross multiply
   13,189,443.84x = 19,784,554.56 × 11,258,178.48
4. Step 4: Simplify right side
   13,189,443.84x = 222,738,046,383,777.88
5. Step 5: Solve for x
   x = 222,738,046,383,777.88/13,189,443.84
6. Step 6: Final answer
   x = 16,887,599.59