Finding the Fourth Proportional to 19,436.89, 29,150.47 and 5,585.89

Step by Step Solution

1. Step 1: Write the proportion equation
   19,436.89 : 29,150.47 = 5,585.89 : x
2. Step 2: Convert to fraction form
   19,436.89/29,150.47 = 5,585.89/x
3. Step 3: Cross multiply
   19,436.89x = 29,150.47 × 5,585.89
4. Step 4: Simplify right side
   19,436.89x = 162,831,318.87
5. Step 5: Solve for x
   x = 162,831,318.87/19,436.89
6. Step 6: Final answer
   x = 8,377.44