Finding the Fourth Proportional to 9,082.86, 13,623.33 and 3,158.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,082.86 : 13,623.33 = 3,158.70 : x
2. Step 2: Convert to fraction form
   9,082.86/13,623.33 = 3,158.70/x
3. Step 3: Cross multiply
   9,082.86x = 13,623.33 × 3,158.70
4. Step 4: Simplify right side
   9,082.86x = 43,032,012.47
5. Step 5: Solve for x
   x = 43,032,012.47/9,082.86
6. Step 6: Final answer
   x = 4,737.72