Finding the Fourth Proportional to 11,456.34, 17,168.31 and 4,875.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,456.34 : 17,168.31 = 4,875.90 : x
2. Step 2: Convert to fraction form
   11,456.34/17,168.31 = 4,875.90/x
3. Step 3: Cross multiply
   11,456.34x = 17,168.31 × 4,875.90
4. Step 4: Simplify right side
   11,456.34x = 83,710,962.73
5. Step 5: Solve for x
   x = 83,710,962.73/11,456.34
6. Step 6: Final answer
   x = 7,306.96