Finding the Fourth Proportional to 13,196.61, 19,777.10 and 4,868.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.61 : 19,777.10 = 4,868.82 : x
2. Step 2: Convert to fraction form
   13,196.61/19,777.10 = 4,868.82/x
3. Step 3: Cross multiply
   13,196.61x = 19,777.10 × 4,868.82
4. Step 4: Simplify right side
   13,196.61x = 96,291,115.68
5. Step 5: Solve for x
   x = 96,291,115.68/13,196.61
6. Step 6: Final answer
   x = 7,296.66