Finding the Fourth Proportional to 269,773.90, 404,894.10 and 103,678.54

Step by Step Solution

1. Step 1: Write the proportion equation
   269,773.90 : 404,894.10 = 103,678.54 : x
2. Step 2: Convert to fraction form
   269,773.90/404,894.10 = 103,678.54/x
3. Step 3: Cross multiply
   269,773.90x = 404,894.10 × 103,678.54
4. Step 4: Simplify right side
   269,773.90x = 41,978,829,142.61
5. Step 5: Solve for x
   x = 41,978,829,142.61/269,773.90
6. Step 6: Final answer
   x = 155,607.45