Finding the Fourth Proportional to 12,152.73, 18,216.98 and 5,134.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,152.73 : 18,216.98 = 5,134.51 : x
2. Step 2: Convert to fraction form
   12,152.73/18,216.98 = 5,134.51/x
3. Step 3: Cross multiply
   12,152.73x = 18,216.98 × 5,134.51
4. Step 4: Simplify right side
   12,152.73x = 93,535,301.59
5. Step 5: Solve for x
   x = 93,535,301.59/12,152.73
6. Step 6: Final answer
   x = 7,696.65