Finding the Fourth Proportional to 12,592.09, 18,896.70 and 5,196.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,592.09 : 18,896.70 = 5,196.52 : x
2. Step 2: Convert to fraction form
   12,592.09/18,896.70 = 5,196.52/x
3. Step 3: Cross multiply
   12,592.09x = 18,896.70 × 5,196.52
4. Step 4: Simplify right side
   12,592.09x = 98,196,985.00
5. Step 5: Solve for x
   x = 98,196,985.00/12,592.09
6. Step 6: Final answer
   x = 7,798.31