Finding the Fourth Proportional to 11,675.42, 17,501.96 and 3,878.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,675.42 : 17,501.96 = 3,878.76 : x
2. Step 2: Convert to fraction form
   11,675.42/17,501.96 = 3,878.76/x
3. Step 3: Cross multiply
   11,675.42x = 17,501.96 × 3,878.76
4. Step 4: Simplify right side
   11,675.42x = 67,885,902.37
5. Step 5: Solve for x
   x = 67,885,902.37/11,675.42
6. Step 6: Final answer
   x = 5,814.43