Finding the Fourth Proportional to 12,377.86, 18,562.91 and 4,056.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.86 : 18,562.91 = 4,056.03 : x
2. Step 2: Convert to fraction form
   12,377.86/18,562.91 = 4,056.03/x
3. Step 3: Cross multiply
   12,377.86x = 18,562.91 × 4,056.03
4. Step 4: Simplify right side
   12,377.86x = 75,291,699.57
5. Step 5: Solve for x
   x = 75,291,699.57/12,377.86
6. Step 6: Final answer
   x = 6,082.77