Finding the Fourth Proportional to 293,139.07, 404,636.12 and 178,365.31

Step by Step Solution

1. Step 1: Write the proportion equation
   293,139.07 : 404,636.12 = 178,365.31 : x
2. Step 2: Convert to fraction form
   293,139.07/404,636.12 = 178,365.31/x
3. Step 3: Cross multiply
   293,139.07x = 404,636.12 × 178,365.31
4. Step 4: Simplify right side
   293,139.07x = 72,173,046,981.00
5. Step 5: Solve for x
   x = 72,173,046,981.00/293,139.07
6. Step 6: Final answer
   x = 246,207.53