Finding the Fourth Proportional to 12,071.57, 16,665.93 and 7,599.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.57 : 16,665.93 = 7,599.15 : x
2. Step 2: Convert to fraction form
   12,071.57/16,665.93 = 7,599.15/x
3. Step 3: Cross multiply
   12,071.57x = 16,665.93 × 7,599.15
4. Step 4: Simplify right side
   12,071.57x = 126,646,901.96
5. Step 5: Solve for x
   x = 126,646,901.96/12,071.57
6. Step 6: Final answer
   x = 10,491.34