Finding the Fourth Proportional to 12,499.76, 18,748.02 and 5,930.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.76 : 18,748.02 = 5,930.12 : x
2. Step 2: Convert to fraction form
   12,499.76/18,748.02 = 5,930.12/x
3. Step 3: Cross multiply
   12,499.76x = 18,748.02 × 5,930.12
4. Step 4: Simplify right side
   12,499.76x = 111,178,008.36
5. Step 5: Solve for x
   x = 111,178,008.36/12,499.76
6. Step 6: Final answer
   x = 8,894.41