Finding the Fourth Proportional to 13,123, 19,678.02 and 4,801.87

Step by Step Solution

1. Step 1: Write the proportion equation
   13,123 : 19,678.02 = 4,801.87 : x
2. Step 2: Convert to fraction form
   13,123/19,678.02 = 4,801.87/x
3. Step 3: Cross multiply
   13,123x = 19,678.02 × 4,801.87
4. Step 4: Simplify right side
   13,123x = 94,491,293.90
5. Step 5: Solve for x
   x = 94,491,293.90/13,123
6. Step 6: Final answer
   x = 7,200.43