Finding the Fourth Proportional to 9,383.64, 12,948.78 and 5,192.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,383.64 : 12,948.78 = 5,192.04 : x
2. Step 2: Convert to fraction form
   9,383.64/12,948.78 = 5,192.04/x
3. Step 3: Cross multiply
   9,383.64x = 12,948.78 × 5,192.04
4. Step 4: Simplify right side
   9,383.64x = 67,230,583.71
5. Step 5: Solve for x
   x = 67,230,583.71/9,383.64
6. Step 6: Final answer
   x = 7,164.66