Finding the Fourth Proportional to 12,946.15, 19,264.17 and 12,902.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,946.15 : 19,264.17 = 12,902.41 : x
2. Step 2: Convert to fraction form
   12,946.15/19,264.17 = 12,902.41/x
3. Step 3: Cross multiply
   12,946.15x = 19,264.17 × 12,902.41
4. Step 4: Simplify right side
   12,946.15x = 248,554,219.65
5. Step 5: Solve for x
   x = 248,554,219.65/12,946.15
6. Step 6: Final answer
   x = 19,199.08