Finding the Fourth Proportional to 13,025.43, 19,538.08 and 3,164.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,025.43 : 19,538.08 = 3,164.76 : x
2. Step 2: Convert to fraction form
   13,025.43/19,538.08 = 3,164.76/x
3. Step 3: Cross multiply
   13,025.43x = 19,538.08 × 3,164.76
4. Step 4: Simplify right side
   13,025.43x = 61,833,326.15
5. Step 5: Solve for x
   x = 61,833,326.15/13,025.43
6. Step 6: Final answer
   x = 4,747.12