Finding the Fourth Proportional to 12,930.38, 17,848.45 and 7,624.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,930.38 : 17,848.45 = 7,624.86 : x
2. Step 2: Convert to fraction form
   12,930.38/17,848.45 = 7,624.86/x
3. Step 3: Cross multiply
   12,930.38x = 17,848.45 × 7,624.86
4. Step 4: Simplify right side
   12,930.38x = 136,091,932.47
5. Step 5: Solve for x
   x = 136,091,932.47/12,930.38
6. Step 6: Final answer
   x = 10,524.98