Finding the Fourth Proportional to 12,904.10, 17,809.06 and 7,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,904.10 : 17,809.06 = 7,314.50 : x
2. Step 2: Convert to fraction form
   12,904.10/17,809.06 = 7,314.50/x
3. Step 3: Cross multiply
   12,904.10x = 17,809.06 × 7,314.50
4. Step 4: Simplify right side
   12,904.10x = 130,264,369.37
5. Step 5: Solve for x
   x = 130,264,369.37/12,904.10
6. Step 6: Final answer
   x = 10,094.80