Finding the Fourth Proportional to 10,830.41, 16,241.51 and 4,253

Step by Step Solution

1. Step 1: Write the proportion equation
   10,830.41 : 16,241.51 = 4,253 : x
2. Step 2: Convert to fraction form
   10,830.41/16,241.51 = 4,253/x
3. Step 3: Cross multiply
   10,830.41x = 16,241.51 × 4,253
4. Step 4: Simplify right side
   10,830.41x = 69,075,120.77
5. Step 5: Solve for x
   x = 69,075,120.77/10,830.41
6. Step 6: Final answer
   x = 6,377.89