Finding the Fourth Proportional to 13,178.05, 19,759.98 and 5,773.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,178.05 : 19,759.98 = 5,773.89 : x
2. Step 2: Convert to fraction form
   13,178.05/19,759.98 = 5,773.89/x
3. Step 3: Cross multiply
   13,178.05x = 19,759.98 × 5,773.89
4. Step 4: Simplify right side
   13,178.05x = 114,091,935.52
5. Step 5: Solve for x
   x = 114,091,935.52/13,178.05
6. Step 6: Final answer
   x = 8,657.73