Finding the Fourth Proportional to 12,535.06, 17,297.89 and 7,157.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,535.06 : 17,297.89 = 7,157.76 : x
2. Step 2: Convert to fraction form
   12,535.06/17,297.89 = 7,157.76/x
3. Step 3: Cross multiply
   12,535.06x = 17,297.89 × 7,157.76
4. Step 4: Simplify right side
   12,535.06x = 123,814,145.13
5. Step 5: Solve for x
   x = 123,814,145.13/12,535.06
6. Step 6: Final answer
   x = 9,877.43