Finding the Fourth Proportional to 9,003.60, 13,383.90 and 8,737.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,003.60 : 13,383.90 = 8,737.83 : x
2. Step 2: Convert to fraction form
   9,003.60/13,383.90 = 8,737.83/x
3. Step 3: Cross multiply
   9,003.60x = 13,383.90 × 8,737.83
4. Step 4: Simplify right side
   9,003.60x = 116,946,242.94
5. Step 5: Solve for x
   x = 116,946,242.94/9,003.60
6. Step 6: Final answer
   x = 12,988.83