Finding the Fourth Proportional to 13,256.61, 19,874.49 and 4,932.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,256.61 : 19,874.49 = 4,932.09 : x
2. Step 2: Convert to fraction form
   13,256.61/19,874.49 = 4,932.09/x
3. Step 3: Cross multiply
   13,256.61x = 19,874.49 × 4,932.09
4. Step 4: Simplify right side
   13,256.61x = 98,022,773.38
5. Step 5: Solve for x
   x = 98,022,773.38/13,256.61
6. Step 6: Final answer
   x = 7,394.26