Finding the Fourth Proportional to 12,385.78, 18,584.17 and 5,004.65

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385.78 : 18,584.17 = 5,004.65 : x
2. Step 2: Convert to fraction form
   12,385.78/18,584.17 = 5,004.65/x
3. Step 3: Cross multiply
   12,385.78x = 18,584.17 × 5,004.65
4. Step 4: Simplify right side
   12,385.78x = 93,007,300.34
5. Step 5: Solve for x
   x = 93,007,300.34/12,385.78
6. Step 6: Final answer
   x = 7,509.20