Finding the Fourth Proportional to 14,580.18, 21,868.81 and 5,219.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,580.18 : 21,868.81 = 5,219.82 : x
2. Step 2: Convert to fraction form
   14,580.18/21,868.81 = 5,219.82/x
3. Step 3: Cross multiply
   14,580.18x = 21,868.81 × 5,219.82
4. Step 4: Simplify right side
   14,580.18x = 114,151,238.76
5. Step 5: Solve for x
   x = 114,151,238.76/14,580.18
6. Step 6: Final answer
   x = 7,829.21