Finding the Fourth Proportional to 7,882.31, 10,886.60 and 5,360.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,882.31 : 10,886.60 = 5,360.18 : x
2. Step 2: Convert to fraction form
   7,882.31/10,886.60 = 5,360.18/x
3. Step 3: Cross multiply
   7,882.31x = 10,886.60 × 5,360.18
4. Step 4: Simplify right side
   7,882.31x = 58,354,094.56
5. Step 5: Solve for x
   x = 58,354,094.56/7,882.31
6. Step 6: Final answer
   x = 7,403.17