Finding the Fourth Proportional to 12,762.46, 19,146.42 and 3,877

Step by Step Solution

1. Step 1: Write the proportion equation
   12,762.46 : 19,146.42 = 3,877 : x
2. Step 2: Convert to fraction form
   12,762.46/19,146.42 = 3,877/x
3. Step 3: Cross multiply
   12,762.46x = 19,146.42 × 3,877
4. Step 4: Simplify right side
   12,762.46x = 74,230,670.34
5. Step 5: Solve for x
   x = 74,230,670.34/12,762.46
6. Step 6: Final answer
   x = 5,816.33