Finding the Fourth Proportional to 12,499.18, 18,748.27 and 6,949.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.18 : 18,748.27 = 6,949.01 : x
2. Step 2: Convert to fraction form
   12,499.18/18,748.27 = 6,949.01/x
3. Step 3: Cross multiply
   12,499.18x = 18,748.27 × 6,949.01
4. Step 4: Simplify right side
   12,499.18x = 130,281,971.27
5. Step 5: Solve for x
   x = 130,281,971.27/12,499.18
6. Step 6: Final answer
   x = 10,423.24