Finding the Fourth Proportional to 13,114.06, 18,097.32 and 7,145.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,114.06 : 18,097.32 = 7,145.98 : x
2. Step 2: Convert to fraction form
   13,114.06/18,097.32 = 7,145.98/x
3. Step 3: Cross multiply
   13,114.06x = 18,097.32 × 7,145.98
4. Step 4: Simplify right side
   13,114.06x = 129,323,086.77
5. Step 5: Solve for x
   x = 129,323,086.77/13,114.06
6. Step 6: Final answer
   x = 9,861.41