Finding the Fourth Proportional to 7,685.71, 10,606.15 and 4,328.51

Step by Step Solution

1. Step 1: Write the proportion equation
   7,685.71 : 10,606.15 = 4,328.51 : x
2. Step 2: Convert to fraction form
   7,685.71/10,606.15 = 4,328.51/x
3. Step 3: Cross multiply
   7,685.71x = 10,606.15 × 4,328.51
4. Step 4: Simplify right side
   7,685.71x = 45,908,826.34
5. Step 5: Solve for x
   x = 45,908,826.34/7,685.71
6. Step 6: Final answer
   x = 5,973.27