Finding the Fourth Proportional to 130,080.72, 194,969.04 and 55,175.52

Step by Step Solution

1. Step 1: Write the proportion equation
   130,080.72 : 194,969.04 = 55,175.52 : x
2. Step 2: Convert to fraction form
   130,080.72/194,969.04 = 55,175.52/x
3. Step 3: Cross multiply
   130,080.72x = 194,969.04 × 55,175.52
4. Step 4: Simplify right side
   130,080.72x = 10,757,518,165.90
5. Step 5: Solve for x
   x = 10,757,518,165.90/130,080.72
6. Step 6: Final answer
   x = 82,698.79