Finding the Fourth Proportional to 13,025.77, 19,538.48 and 3,165.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,025.77 : 19,538.48 = 3,165.02 : x
2. Step 2: Convert to fraction form
   13,025.77/19,538.48 = 3,165.02/x
3. Step 3: Cross multiply
   13,025.77x = 19,538.48 × 3,165.02
4. Step 4: Simplify right side
   13,025.77x = 61,839,697.61
5. Step 5: Solve for x
   x = 61,839,697.61/13,025.77
6. Step 6: Final answer
   x = 4,747.49