Finding the Fourth Proportional to 12,146.25, 18,202.86 and 7,753.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,146.25 : 18,202.86 = 7,753.98 : x
2. Step 2: Convert to fraction form
   12,146.25/18,202.86 = 7,753.98/x
3. Step 3: Cross multiply
   12,146.25x = 18,202.86 × 7,753.98
4. Step 4: Simplify right side
   12,146.25x = 141,144,612.38
5. Step 5: Solve for x
   x = 141,144,612.38/12,146.25
6. Step 6: Final answer
   x = 11,620.43