Finding the Fourth Proportional to 13,773.31, 20,662.29 and 5,448.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,773.31 : 20,662.29 = 5,448.94 : x
2. Step 2: Convert to fraction form
   13,773.31/20,662.29 = 5,448.94/x
3. Step 3: Cross multiply
   13,773.31x = 20,662.29 × 5,448.94
4. Step 4: Simplify right side
   13,773.31x = 112,587,526.82
5. Step 5: Solve for x
   x = 112,587,526.82/13,773.31
6. Step 6: Final answer
   x = 8,174.33