Finding the Fourth Proportional to 11,311.56, 16,970.63 and 5,073.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,311.56 : 16,970.63 = 5,073.39 : x
2. Step 2: Convert to fraction form
   11,311.56/16,970.63 = 5,073.39/x
3. Step 3: Cross multiply
   11,311.56x = 16,970.63 × 5,073.39
4. Step 4: Simplify right side
   11,311.56x = 86,098,599.17
5. Step 5: Solve for x
   x = 86,098,599.17/11,311.56
6. Step 6: Final answer
   x = 7,611.56