Finding the Fourth Proportional to 12,654.74, 17,483.88 and 10,786.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,654.74 : 17,483.88 = 10,786.07 : x
2. Step 2: Convert to fraction form
   12,654.74/17,483.88 = 10,786.07/x
3. Step 3: Cross multiply
   12,654.74x = 17,483.88 × 10,786.07
4. Step 4: Simplify right side
   12,654.74x = 188,582,437.71
5. Step 5: Solve for x
   x = 188,582,437.71/12,654.74
6. Step 6: Final answer
   x = 14,902.12