Finding the Fourth Proportional to 12,499.69, 18,754.71 and 5,476.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.69 : 18,754.71 = 5,476.08 : x
2. Step 2: Convert to fraction form
   12,499.69/18,754.71 = 5,476.08/x
3. Step 3: Cross multiply
   12,499.69x = 18,754.71 × 5,476.08
4. Step 4: Simplify right side
   12,499.69x = 102,702,292.34
5. Step 5: Solve for x
   x = 102,702,292.34/12,499.69
6. Step 6: Final answer
   x = 8,216.39