Finding the Fourth Proportional to 12,875.94, 19,300.86 and 4,554

Step by Step Solution

1. Step 1: Write the proportion equation
   12,875.94 : 19,300.86 = 4,554 : x
2. Step 2: Convert to fraction form
   12,875.94/19,300.86 = 4,554/x
3. Step 3: Cross multiply
   12,875.94x = 19,300.86 × 4,554
4. Step 4: Simplify right side
   12,875.94x = 87,896,116.44
5. Step 5: Solve for x
   x = 87,896,116.44/12,875.94
6. Step 6: Final answer
   x = 6,826.38