Finding the Fourth Proportional to 11,973.63, 16,527.72 and 7,257.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,973.63 : 16,527.72 = 7,257.91 : x
2. Step 2: Convert to fraction form
   11,973.63/16,527.72 = 7,257.91/x
3. Step 3: Cross multiply
   11,973.63x = 16,527.72 × 7,257.91
4. Step 4: Simplify right side
   11,973.63x = 119,956,704.27
5. Step 5: Solve for x
   x = 119,956,704.27/11,973.63
6. Step 6: Final answer
   x = 10,018.41