Finding the Fourth Proportional to 19,389.98, 29,085.57 and 5,350.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,389.98 : 29,085.57 = 5,350.25 : x
2. Step 2: Convert to fraction form
   19,389.98/29,085.57 = 5,350.25/x
3. Step 3: Cross multiply
   19,389.98x = 29,085.57 × 5,350.25
4. Step 4: Simplify right side
   19,389.98x = 155,615,070.89
5. Step 5: Solve for x
   x = 155,615,070.89/19,389.98
6. Step 6: Final answer
   x = 8,025.54