Finding the Fourth Proportional to 14,186.32, 19,577.10 and 7,900.18

Step by Step Solution

1. Step 1: Write the proportion equation
   14,186.32 : 19,577.10 = 7,900.18 : x
2. Step 2: Convert to fraction form
   14,186.32/19,577.10 = 7,900.18/x
3. Step 3: Cross multiply
   14,186.32x = 19,577.10 × 7,900.18
4. Step 4: Simplify right side
   14,186.32x = 154,662,613.88
5. Step 5: Solve for x
   x = 154,662,613.88/14,186.32
6. Step 6: Final answer
   x = 10,902.24