Finding the Fourth Proportional to 58,080.51, 80,175.57 and 39,243.15

Step by Step Solution

1. Step 1: Write the proportion equation
   58,080.51 : 80,175.57 = 39,243.15 : x
2. Step 2: Convert to fraction form
   58,080.51/80,175.57 = 39,243.15/x
3. Step 3: Cross multiply
   58,080.51x = 80,175.57 × 39,243.15
4. Step 4: Simplify right side
   58,080.51x = 3,146,341,919.85
5. Step 5: Solve for x
   x = 3,146,341,919.85/58,080.51
6. Step 6: Final answer
   x = 54,172.08