Finding the Fourth Proportional to 12,534.63, 17,297.78 and 7,499.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,534.63 : 17,297.78 = 7,499.06 : x
2. Step 2: Convert to fraction form
   12,534.63/17,297.78 = 7,499.06/x
3. Step 3: Cross multiply
   12,534.63x = 17,297.78 × 7,499.06
4. Step 4: Simplify right side
   12,534.63x = 129,717,090.09
5. Step 5: Solve for x
   x = 129,717,090.09/12,534.63
6. Step 6: Final answer
   x = 10,348.70