Finding the Fourth Proportional to 14,075.30, 21,112.18 and 3,545.19

Step by Step Solution

1. Step 1: Write the proportion equation
   14,075.30 : 21,112.18 = 3,545.19 : x
2. Step 2: Convert to fraction form
   14,075.30/21,112.18 = 3,545.19/x
3. Step 3: Cross multiply
   14,075.30x = 21,112.18 × 3,545.19
4. Step 4: Simplify right side
   14,075.30x = 74,846,680.55
5. Step 5: Solve for x
   x = 74,846,680.55/14,075.30
6. Step 6: Final answer
   x = 5,317.59