Finding the Fourth Proportional to 12,774.33, 19,155.06 and 3,887.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,774.33 : 19,155.06 = 3,887.96 : x
2. Step 2: Convert to fraction form
   12,774.33/19,155.06 = 3,887.96/x
3. Step 3: Cross multiply
   12,774.33x = 19,155.06 × 3,887.96
4. Step 4: Simplify right side
   12,774.33x = 74,473,991.86
5. Step 5: Solve for x
   x = 74,473,991.86/12,774.33
6. Step 6: Final answer
   x = 5,829.97