Finding the Fourth Proportional to 12,726.04, 19,088.82 and 3,961

Step by Step Solution

1. Step 1: Write the proportion equation
   12,726.04 : 19,088.82 = 3,961 : x
2. Step 2: Convert to fraction form
   12,726.04/19,088.82 = 3,961/x
3. Step 3: Cross multiply
   12,726.04x = 19,088.82 × 3,961
4. Step 4: Simplify right side
   12,726.04x = 75,610,816.02
5. Step 5: Solve for x
   x = 75,610,816.02/12,726.04
6. Step 6: Final answer
   x = 5,941.43