Finding the Fourth Proportional to 9,006.99, 13,502.31 and 3,160.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,006.99 : 13,502.31 = 3,160.41 : x
2. Step 2: Convert to fraction form
   9,006.99/13,502.31 = 3,160.41/x
3. Step 3: Cross multiply
   9,006.99x = 13,502.31 × 3,160.41
4. Step 4: Simplify right side
   9,006.99x = 42,672,835.55
5. Step 5: Solve for x
   x = 42,672,835.55/9,006.99
6. Step 6: Final answer
   x = 4,737.75