Finding the Fourth Proportional to 12,961.08, 19,444.72 and 4,196.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,961.08 : 19,444.72 = 4,196.00 : x
2. Step 2: Convert to fraction form
   12,961.08/19,444.72 = 4,196.00/x
3. Step 3: Cross multiply
   12,961.08x = 19,444.72 × 4,196.00
4. Step 4: Simplify right side
   12,961.08x = 81,590,083.24
5. Step 5: Solve for x
   x = 81,590,083.24/12,961.08
6. Step 6: Final answer
   x = 6,295.01