Finding the Fourth Proportional to 11,773.98, 17,649.98 and 3,977.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,773.98 : 17,649.98 = 3,977.34 : x
2. Step 2: Convert to fraction form
   11,773.98/17,649.98 = 3,977.34/x
3. Step 3: Cross multiply
   11,773.98x = 17,649.98 × 3,977.34
4. Step 4: Simplify right side
   11,773.98x = 70,199,971.45
5. Step 5: Solve for x
   x = 70,199,971.45/11,773.98
6. Step 6: Final answer
   x = 5,962.30