Finding the Fourth Proportional to 7,118.33, 10,671.42 and 5,031.77

Step by Step Solution

1. Step 1: Write the proportion equation
   7,118.33 : 10,671.42 = 5,031.77 : x
2. Step 2: Convert to fraction form
   7,118.33/10,671.42 = 5,031.77/x
3. Step 3: Cross multiply
   7,118.33x = 10,671.42 × 5,031.77
4. Step 4: Simplify right side
   7,118.33x = 53,696,131.01
5. Step 5: Solve for x
   x = 53,696,131.01/7,118.33
6. Step 6: Final answer
   x = 7,543.36