Finding the Fourth Proportional to 12,958.98, 19,337.38 and 11,562.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,958.98 : 19,337.38 = 11,562.72 : x
2. Step 2: Convert to fraction form
   12,958.98/19,337.38 = 11,562.72/x
3. Step 3: Cross multiply
   12,958.98x = 19,337.38 × 11,562.72
4. Step 4: Simplify right side
   12,958.98x = 223,592,710.47
5. Step 5: Solve for x
   x = 223,592,710.47/12,958.98
6. Step 6: Final answer
   x = 17,253.88