Finding the Fourth Proportional to 12,875.76, 19,303.92 and 5,082.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,875.76 : 19,303.92 = 5,082.48 : x
2. Step 2: Convert to fraction form
   12,875.76/19,303.92 = 5,082.48/x
3. Step 3: Cross multiply
   12,875.76x = 19,303.92 × 5,082.48
4. Step 4: Simplify right side
   12,875.76x = 98,111,787.32
5. Step 5: Solve for x
   x = 98,111,787.32/12,875.76
6. Step 6: Final answer
   x = 7,619.88