Finding the Fourth Proportional to 12,710.15, 17,540.18 and 7,045.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,710.15 : 17,540.18 = 7,045.01 : x
2. Step 2: Convert to fraction form
   12,710.15/17,540.18 = 7,045.01/x
3. Step 3: Cross multiply
   12,710.15x = 17,540.18 × 7,045.01
4. Step 4: Simplify right side
   12,710.15x = 123,570,712.77
5. Step 5: Solve for x
   x = 123,570,712.77/12,710.15
6. Step 6: Final answer
   x = 9,722.21