Finding the Fourth Proportional to 388,070.29, 582,105.58 and 174,588.89

Step by Step Solution

1. Step 1: Write the proportion equation
   388,070.29 : 582,105.58 = 174,588.89 : x
2. Step 2: Convert to fraction form
   388,070.29/582,105.58 = 174,588.89/x
3. Step 3: Cross multiply
   388,070.29x = 582,105.58 × 174,588.89
4. Step 4: Simplify right side
   388,070.29x = 101,629,164,164.48
5. Step 5: Solve for x
   x = 101,629,164,164.48/388,070.29
6. Step 6: Final answer
   x = 261,883.40