Finding the Fourth Proportional to 13,046.29, 18,003.71 and 7,077.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,046.29 : 18,003.71 = 7,077.91 : x
2. Step 2: Convert to fraction form
   13,046.29/18,003.71 = 7,077.91/x
3. Step 3: Cross multiply
   13,046.29x = 18,003.71 × 7,077.91
4. Step 4: Simplify right side
   13,046.29x = 127,428,679.25
5. Step 5: Solve for x
   x = 127,428,679.25/13,046.29
6. Step 6: Final answer
   x = 9,767.43