Finding the Fourth Proportional to 9,713.76, 14,567.78 and 3,789.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,713.76 : 14,567.78 = 3,789.32 : x
2. Step 2: Convert to fraction form
   9,713.76/14,567.78 = 3,789.32/x
3. Step 3: Cross multiply
   9,713.76x = 14,567.78 × 3,789.32
4. Step 4: Simplify right side
   9,713.76x = 55,201,980.11
5. Step 5: Solve for x
   x = 55,201,980.11/9,713.76
6. Step 6: Final answer
   x = 5,682.86