Finding the Fourth Proportional to 7,029.89, 9,701.21 and 3,886.07

Step by Step Solution

1. Step 1: Write the proportion equation
   7,029.89 : 9,701.21 = 3,886.07 : x
2. Step 2: Convert to fraction form
   7,029.89/9,701.21 = 3,886.07/x
3. Step 3: Cross multiply
   7,029.89x = 9,701.21 × 3,886.07
4. Step 4: Simplify right side
   7,029.89x = 37,699,561.71
5. Step 5: Solve for x
   x = 37,699,561.71/7,029.89
6. Step 6: Final answer
   x = 5,362.75