Finding the Fourth Proportional to 12,071.56, 16,666.85 and 7,541.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.56 : 16,666.85 = 7,541.12 : x
2. Step 2: Convert to fraction form
   12,071.56/16,666.85 = 7,541.12/x
3. Step 3: Cross multiply
   12,071.56x = 16,666.85 × 7,541.12
4. Step 4: Simplify right side
   12,071.56x = 125,686,715.87
5. Step 5: Solve for x
   x = 125,686,715.87/12,071.56
6. Step 6: Final answer
   x = 10,411.80