Finding the Fourth Proportional to 9,870.28, 13,618.74 and 5,892.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870.28 : 13,618.74 = 5,892.68 : x
2. Step 2: Convert to fraction form
   9,870.28/13,618.74 = 5,892.68/x
3. Step 3: Cross multiply
   9,870.28x = 13,618.74 × 5,892.68
4. Step 4: Simplify right side
   9,870.28x = 80,250,876.82
5. Step 5: Solve for x
   x = 80,250,876.82/9,870.28
6. Step 6: Final answer
   x = 8,130.56