Finding the Fourth Proportional to 17,411.56, 26,123.72 and 7,557.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,411.56 : 26,123.72 = 7,557.91 : x
2. Step 2: Convert to fraction form
   17,411.56/26,123.72 = 7,557.91/x
3. Step 3: Cross multiply
   17,411.56x = 26,123.72 × 7,557.91
4. Step 4: Simplify right side
   17,411.56x = 197,440,621.53
5. Step 5: Solve for x
   x = 197,440,621.53/17,411.56
6. Step 6: Final answer
   x = 11,339.63