Finding the Fourth Proportional to 10,875.62, 16,300.90 and 4,943.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875.62 : 16,300.90 = 4,943.61 : x
2. Step 2: Convert to fraction form
   10,875.62/16,300.90 = 4,943.61/x
3. Step 3: Cross multiply
   10,875.62x = 16,300.90 × 4,943.61
4. Step 4: Simplify right side
   10,875.62x = 80,585,224.77
5. Step 5: Solve for x
   x = 80,585,224.77/10,875.62
6. Step 6: Final answer
   x = 7,409.72