Finding the Fourth Proportional to 293,307.42, 404,555.12 and 269,186.10

Step by Step Solution

1. Step 1: Write the proportion equation
   293,307.42 : 404,555.12 = 269,186.10 : x
2. Step 2: Convert to fraction form
   293,307.42/404,555.12 = 269,186.10/x
3. Step 3: Cross multiply
   293,307.42x = 404,555.12 × 269,186.10
4. Step 4: Simplify right side
   293,307.42x = 108,900,614,987.83
5. Step 5: Solve for x
   x = 108,900,614,987.83/293,307.42
6. Step 6: Final answer
   x = 371,284.90