Finding the Fourth Proportional to 9,357.89, 14,032.15 and 3,115.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,357.89 : 14,032.15 = 3,115.71 : x
2. Step 2: Convert to fraction form
   9,357.89/14,032.15 = 3,115.71/x
3. Step 3: Cross multiply
   9,357.89x = 14,032.15 × 3,115.71
4. Step 4: Simplify right side
   9,357.89x = 43,720,024.34
5. Step 5: Solve for x
   x = 43,720,024.34/9,357.89
6. Step 6: Final answer
   x = 4,672.00