Finding the Fourth Proportional to 19,408.86, 29,114.37 and 5,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,408.86 : 29,114.37 = 5,557.50 : x
2. Step 2: Convert to fraction form
   19,408.86/29,114.37 = 5,557.50/x
3. Step 3: Cross multiply
   19,408.86x = 29,114.37 × 5,557.50
4. Step 4: Simplify right side
   19,408.86x = 161,803,111.28
5. Step 5: Solve for x
   x = 161,803,111.28/19,408.86
6. Step 6: Final answer
   x = 8,336.56