Finding the Fourth Proportional to 10,884.85, 15,012.17 and 7,300.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,884.85 : 15,012.17 = 7,300.40 : x
2. Step 2: Convert to fraction form
   10,884.85/15,012.17 = 7,300.40/x
3. Step 3: Cross multiply
   10,884.85x = 15,012.17 × 7,300.40
4. Step 4: Simplify right side
   10,884.85x = 109,594,761.68
5. Step 5: Solve for x
   x = 109,594,761.68/10,884.85
6. Step 6: Final answer
   x = 10,068.56