Finding the Fourth Proportional to 19,469.37, 29,200.86 and 5,430.35

Step by Step Solution

1. Step 1: Write the proportion equation
   19,469.37 : 29,200.86 = 5,430.35 : x
2. Step 2: Convert to fraction form
   19,469.37/29,200.86 = 5,430.35/x
3. Step 3: Cross multiply
   19,469.37x = 29,200.86 × 5,430.35
4. Step 4: Simplify right side
   19,469.37x = 158,570,890.10
5. Step 5: Solve for x
   x = 158,570,890.10/19,469.37
6. Step 6: Final answer
   x = 8,144.63