Finding the Fourth Proportional to 12,071.31, 18,101.84 and 5,501.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.31 : 18,101.84 = 5,501.67 : x
2. Step 2: Convert to fraction form
   12,071.31/18,101.84 = 5,501.67/x
3. Step 3: Cross multiply
   12,071.31x = 18,101.84 × 5,501.67
4. Step 4: Simplify right side
   12,071.31x = 99,590,322.56
5. Step 5: Solve for x
   x = 99,590,322.56/12,071.31
6. Step 6: Final answer
   x = 8,250.17