Finding the Fourth Proportional to 11,877.37, 17,803.58 and 3,977.93

Step by Step Solution

1. Step 1: Write the proportion equation
   11,877.37 : 17,803.58 = 3,977.93 : x
2. Step 2: Convert to fraction form
   11,877.37/17,803.58 = 3,977.93/x
3. Step 3: Cross multiply
   11,877.37x = 17,803.58 × 3,977.93
4. Step 4: Simplify right side
   11,877.37x = 70,821,419.61
5. Step 5: Solve for x
   x = 70,821,419.61/11,877.37
6. Step 6: Final answer
   x = 5,962.72